{"id":8173,"date":"2026-09-15T09:43:23","date_gmt":"2026-09-15T09:43:23","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&#038;p=8173"},"modified":"2026-09-17T03:50:03","modified_gmt":"2026-09-17T03:50:03","slug":"t-281a-fertilizer-spreader-gearbox-ratio-2-161-replacement-for-comer-t-281a-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/pl\/produkt\/t-281a-fertilizer-spreader-gearbox-ratio-2-161-replacement-for-comer-t-281a-gearbox\/","title":{"rendered":"Przek\u0142adnia rozsiewacza nawozu T-281A o prze\u0142o\u017ceniu 2,16:1, zamiennik przek\u0142adni Comer T-281A"},"content":{"rendered":"<p>The CMN Transmission T-281A Fertilizer Spreader Gearbox, ratio 2.16:1, is a direct replacement for the Comer T-281A gearbox and serves as a critical agricultural gearbox at the heart of centrifugal fertilizer spreaders. Also known as a fertilizer distributor gearbox, it converts tractor PTO rotation (540 r\/min) into the precise output speed and torque required to drive spinning discs or augers that distribute fertilizers, lime, seeds, and granular amendments uniformly across the field. With a maximum output torque of 82 N\u00b7m and a rated input power of 10.3 kW (14 HP), this unit is engineered for consistent, efficient power transfer even under variable load conditions common during intensive crop production cycles.<\/p>\n<p>Zbudowana w oparciu o lekk\u0105, a zarazem sztywn\u0105 obudow\u0119 ze stopu aluminium i wyposa\u017cona w trzy punkty mocowania wielowypustowego 1-3\/8\u2033 Z6 (pozycje wa\u0142u X, Y, Z), przek\u0142adnia do nawozu T-281A oferuje wyj\u0105tkow\u0105 wszechstronno\u015b\u0107 w szerokim spektrum zastosowa\u0144 rolniczych, w tym w rozsiewaczach od\u015brodkowych, glebogryzarkach wielorz\u0119dowych, kosiarkach dyskowych, pi\u0142ach ta\u015bmowych i maszynach do renowacji pastwisk. Jako jeden z wiod\u0105cych producent\u00f3w przek\u0142adni do rozsiewaczy nawozu, z ponad dwudziestoletnim do\u015bwiadczeniem w produkcji, CMN Transmission projektuje ka\u017cdy egzemplarz zgodnie z normami CE i ISO 9001, daj\u0105c operatorom na ca\u0142ym \u015bwiecie pewno\u015b\u0107 certyfikowanej jako\u015bci, wspieranej przez globaln\u0105 sie\u0107 serwisow\u0105.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8022 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu T-281A 2.16-1\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Technical Parameters<\/h2>\n<table style=\"height: 629px; width: 100%;\" contenteditable=\"true\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Model<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Skrzynia bieg\u00f3w T-281A 2.16:1<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Zast\u0105p mark\u0119<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Przybysz<\/td>\n<\/tr>\n<tr style=\"height: 95px;\">\n<td style=\"height: 95px; width: 47.0658%; text-align: center;\"><strong>Szczeg\u00f3\u0142y produktu<\/strong><\/td>\n<td style=\"height: 95px; width: 52.6947%;\">-All gearboxes are supplied without oil.<br \/>\n-First oil change after 50-70 operating hours, then after 500-700 operating hours, or at least once a year.<br \/>\n-Contact us for power at a different RPM.<\/td>\n<\/tr>\n<tr style=\"height: 71px;\">\n<td style=\"height: 71px; width: 47.0658%; text-align: center;\"><strong>Zakres zastosowania<\/strong><\/td>\n<td style=\"height: 71px; width: 52.6947%;\">\n<div class=\"list-item\">-Various (agricultural) applications<br \/>\n-Mowers<br \/>\n-Multi-row rotary tillers<br \/>\n-Band saws<\/div>\n<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Wsp\u00f3\u0142czynnik ilorazu<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">2.16:1<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Maksymalna moc wej\u015bciowa<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">10.3 kW<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Maksymalna pr\u0119dko\u015b\u0107 obrotowa wej\u015bciowa<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">540\u00a0r\/min<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 25px; width: 47.0658%; text-align: center;\"><strong>Maksymalna moc wyj\u015bciowa<\/strong><\/td>\n<td style=\"height: 25px; width: 52.6947%;\">10.3 kW<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Maksymalna moc wyj\u015bciowa<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">14 HP<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Maksymalny moment wyj\u015bciowy<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">82 N\u00b7m<\/td>\n<\/tr>\n<tr style=\"height: 47px;\">\n<td style=\"height: 47px; width: 47.0658%; text-align: center;\"><strong>Po\u0142\u0105czenie 1 \u015arednica zewn\u0119trzna cale i wielowypusty<\/strong><\/td>\n<td style=\"height: 47px; width: 52.6947%;\">1.3\/8-6<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Connection 2 Outside Diameter inch and splines<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">1.3\/8-6<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Connection 3 Outside Diameter inch and splines<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">1.3\/8-6<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Gear arrangement increasing<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">25-26<br \/>\n27-28<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"width: 47.0658%; text-align: center; height: 23px;\"><strong>Uk\u0142ad przek\u0142adni redukcyjnych<\/strong><\/td>\n<td style=\"width: 52.6947%; height: 23px;\">5-6<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Zawiera olej<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">NIE<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Maksymalna pojemno\u015b\u0107 oleju<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">0.5 L<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Max. oil change<\/strong>\u00a0<strong>interval<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">500 godzin<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Klasa lepko\u015bci oleju SAE<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">80W-90<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Materia\u0142 obudowy<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">Aluminium<\/td>\n<\/tr>\n<tr style=\"height: 23px;\">\n<td style=\"height: 23px; width: 47.0658%; text-align: center;\"><strong>Waga<\/strong><\/td>\n<td style=\"height: 23px; width: 52.6947%;\">7 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Przeprowadzili\u015bmy audyt dostawcy zewn\u0119trznego i weryfikacj\u0119 firmy, wspieran\u0105 przez SGS \/ T\u00dcV Rheinland. Weryfikacja ta pomaga kupuj\u0105cym weryfikowa\u0107 to\u017csamo\u015b\u0107 firmy, jej dzia\u0142alno\u015b\u0107 operacyjn\u0105, profil dostawcy i og\u00f3lne mo\u017cliwo\u015bci produkcyjne. Raporty z inspekcji, dokumenty materia\u0142owe lub zapisy zgodno\u015bci dla poszczeg\u00f3lnych produkt\u00f3w mog\u0105 by\u0107 dostarczane zgodnie z wymaganiami zam\u00f3wienia.<\/p>\n<p><strong>Minimalna ilo\u015b\u0107 zam\u00f3wienia (MOQ):<\/strong>\u00a0Elastyczne ustawienia w zale\u017cno\u015bci od typu produktu i kwoty zam\u00f3wienia.<\/p>\n<p><strong>Pr\u00f3bki:<\/strong>\u00a0Nowi klienci mog\u0105 zam\u00f3wi\u0107 od 1 do 5 pr\u00f3bek, je\u015bli zaistniej\u0105 ku temu odpowiednie okoliczno\u015bci.<\/p>\n<p><strong>Zam\u00f3wienia mieszane:<\/strong>\u00a0Mo\u017cliwe jest \u0142\u0105czenie r\u00f3\u017cnych modeli. \u0141\u0105czna kwota zam\u00f3wienia musi wynosi\u0107 oko\u0142o $1,500.<\/p>\n<p><strong>Ma\u0142e zam\u00f3wienia:<\/strong>\u00a0Zam\u00f3wienia obejmuj\u0105ce 1\u20132 sztuki s\u0105 mo\u017cliwe, ale cena jednostkowa b\u0119dzie w\u00f3wczas stosunkowo wy\u017csza.<\/p>\n<p><strong>Czas realizacji:<\/strong>\u00a010\u201325 dni roboczych na cz\u0119\u015bci standardowe; 20\u201345 dni roboczych na komponenty niestandardowe; 45\u2013120 dni roboczych na sprz\u0119t projektowy.<\/p>\n<p><strong>Warunki handlowe:<\/strong>\u00a0Generalnie obs\u0142ugiwane s\u0105 warunki EXW, FOB, CIF i DAP; mo\u017cliwe s\u0105 r\u00f3wnie\u017c szczeg\u00f3\u0142owe negocjacje warunk\u00f3w FCA, CFR, CPT, CIP i DDP.<\/p>\n<h2>T-281A Fertilizer Spreader Gearbox Dimensions<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8157 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-1.webp\" alt=\"T-281A Fertilizer Spreader Gearbox Dimensions\" width=\"1200\" height=\"650\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-1.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-1-980x531.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-1-480x260.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8158 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-2.webp\" alt=\"T-281A Fertilizer Spreader Gearbox Dimensions\" width=\"1146\" height=\"928\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-2.webp 1146w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-2-980x794.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-2-480x389.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1146px, 100vw\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8159 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-3.webp\" alt=\"T-281A Fertilizer Spreader Gearbox Dimensions\" width=\"1400\" height=\"1600\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-3.webp 1400w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-3-1280x1463.webp 1280w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-3-980x1120.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-Dimensions-3-480x549.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) and (max-width: 1280px) 1280px, (min-width: 1281px) 1400px, 100vw\" \/><\/p>\n<h2>Features of the T-281A Fertilizer Spreader Gearbox 2.16:1<\/h2>\n<p>1. Ratio Configuration &amp; Output Options<br \/>\nThe 2.16:1 gear ratio of this fertilizer spreader gearbox is specifically calibrated to convert 540 r\/min PTO input into the optimal disc rotational speed for uniform centrifugal spreading. With gear arrangements of 25-26 \/ 27-28 (increasing) and 5-6 (reducing), the unit can support multiple output shaft configurations for single-disc, twin-disc, or agitator-combined spreader designs. CMN also offers adjacent ratio options from the same T-281 series to suit operators requiring different disc RPMs for specialty crops or variable-rate application programmes.<\/p>\n<p>2. Corrosion-Resistant Construction<br \/>\nFertilizer, particularly nitrogen-based and phosphate compounds, is aggressively corrosive to unprotected metal surfaces. The T-281A agricultural gearbox addresses this with a precision die-cast aluminium alloy housing that naturally resists rust and chemical attack. Internal components are protected by high-performance 80W-90 gear oil retained by nitrile rubber lip seals on every shaft, preventing both lubricant leakage and moisture or fertilizer ingress. Protective coatings on ferrous internal parts further extend service life in environments with high humidity and chemical exposure.<\/p>\n<p>3. PTO Interface &amp; Spline Compatibility<br \/>\nWszystkie trzy po\u0142\u0105czenia wa\u0142\u00f3w (X, Y, Z) posiadaj\u0105 standardowy w bran\u017cy profil wielowypustowy 1-3\/8\u2033 Z6, zapewniaj\u0105cy bezpo\u015brednie i bezwibracyjne dopasowanie do standardowych wa\u0142\u00f3w nap\u0119dowych WOM ci\u0105gnik\u00f3w o pr\u0119dko\u015bci obrotowej 540 obr.\/min. Prawid\u0142owe dopasowanie wielowypust\u00f3w ma kluczowe znaczenie: niedopasowane po\u0142\u0105czenia powoduj\u0105 szkodliwe wibracje uk\u0142adu nap\u0119dowego, przyspieszaj\u0105 zu\u017cycie \u0142o\u017cysk i mog\u0105 powodowa\u0107 p\u0119kni\u0119cia zm\u0119czeniowe wa\u0142u. Precyzyjnie obrobione wielowypusty CMN charakteryzuj\u0105 si\u0119 \u015bcis\u0142ymi tolerancjami wymiarowymi, gwarantuj\u0105c bezpieczne i pewne po\u0142\u0105czenie bez konieczno\u015bci stosowania tulei adapterowych lub modyfikacji.<\/p>\n<p>4. Agitator &amp; Dual Disc Drive Integration<br \/>\nTr\u00f3jwa\u0142owy uk\u0142ad (punkty po\u0142\u0105cze\u0144 X, Y, Z, ka\u017cdy o \u015brednicy 1-3\/8\u2033 Z6) umo\u017cliwia T-281A jednoczesne nap\u0119dzanie g\u0142\u00f3wnego dysku wiruj\u0105cego oraz opcjonalnego wa\u0142u mieszad\u0142a. W konfiguracjach z rozsiewaczami dwutarczowymi konstrukcja ta zapobiega zbrylaniu si\u0119 materia\u0142u w zasobniku poprzez ci\u0105g\u0142e mieszanie granulowanego nawozu przy jednoczesnym utrzymywaniu sta\u0142ej pr\u0119dko\u015bci obrotowej dysk\u00f3w. Ta mo\u017cliwo\u015b\u0107 podw\u00f3jnego nap\u0119du zmniejsza potrzeb\u0119 stosowania oddzielnego silnika mieszad\u0142a, upraszczaj\u0105c og\u00f3ln\u0105 konstrukcj\u0119 maszyny i obni\u017caj\u0105c koszty konserwacji dla operatora.<\/p>\n<p>5. Field Serviceability<br \/>\nDesigned with the working farmer in mind, the T-281A fertilizer spreader gearbox oil level can be checked and topped up quickly through clearly positioned fill and drain plugs accessible without removing the unit from the machine. The breather vent prevents pressure build-up during thermal cycling, eliminating the forced-seepage failure mode common on poorly designed gearboxes. With a simple 50-70 hour initial oil change and subsequent 500-hour intervals, routine maintenance is predictable, and fertilizer spreader gearbox parts including seals and bearings are stocked globally through the CMN distributor network.<\/p>\n<p>6. Wide Range of Agricultural Applications<br \/>\nBeyond the primary role as a fertiliser spreader gearbox, the T-281A series is equally suited for mowers, multi-row rotary tillers, and band saw drives, making it one of the most versatile gearboxes in the CMN product catalogue. Its compact 7 kg aluminium body and standardised four-bolt mounting pattern (4x \u00d811 mm, 54 mm pitch circle) allow it to be retrofitted into a wide variety of OEM and aftermarket machine frames without structural modification, reducing downtime and simplifying machine upgrades in the field.<\/p>\n<p>7. Direct Comer T-281A Replacement<br \/>\nAs an OEM-equivalent agricultural gearbox for fertilizer spreader systems, the CMN T-281A is dimensionally interchangeable with the original Comer T-281A gearbox. All critical bolt patterns, shaft diameters, spline counts, and overall envelope dimensions are matched to Comer specifications, allowing operators to swap the unit without redesigning the mounting bracket or modifying existing PTO shaft assemblies. This direct-fit design minimises machine downtime during busy spreading seasons and removes the uncertainty of sourcing expensive OEM spare parts at short notice.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8022 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu T-281A 2.16-1\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-2.16-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>How Does the T-281A Fertilizer Distributor Gearbox Work<\/h2>\n<p>Gdy operator ci\u0105gnika za\u0142\u0105cza d\u017awigni\u0119 WOM, moc obrotowa z pr\u0119dko\u015bci\u0105 540 obr.\/min jest przenoszona przez wa\u0142 WOM wzd\u0142u\u017c uk\u0142adu nap\u0119dowego i trafia do przek\u0142adni rozsiewacza nawozu T-281A na wale wej\u015bciowym (po\u0142\u0105czenie X). Profil wielowypustowy Z6 o rozstawie 1-3\/8\u2033 \u0142\u0105czy si\u0119 bezpo\u015brednio ze sprz\u0119g\u0142em wa\u0142u, tworz\u0105c sztywne po\u0142\u0105czenie nap\u0119dowe o zminimalizowanym luzie, kt\u00f3re efektywnie przenosi moment obrotowy bez po\u015blizgu i wibracji. Poniewa\u017c ta przek\u0142adnia nawozu jest przystosowana do maksymalnej pr\u0119dko\u015bci wej\u015bciowej 540 obr.\/min i maksymalnej mocy wej\u015bciowej 10,3 kW, mo\u017ce bezpiecznie obs\u0142ugiwa\u0107 pe\u0142n\u0105 moc WOM ma\u0142ych i \u015brednich ci\u0105gnik\u00f3w przez ca\u0142y czas trwania operacji rozsiewu.<\/p>\n<p>Inside the aluminium housing, the incoming high-speed, low-torque rotation from the PTO passes through a precision-cut bevel gear set. The 2.16:1 gear ratio means that for every 2.16 revolutions of the input shaft, the output shaft completes one revolution at a proportionally higher torque value. In practical terms, the maximum output torque delivered to the spreading discs or agitators is 82 N\u00b7m, which is sufficient to accelerate even dense granular fertilizer products to the disc speeds required for consistent spread patterns across widths of 8 to 24 metres, depending on spreader design and vane configuration.<\/p>\n<p>Przek\u0142adnia rozsiewacza nawozu T-281A posiada trzy punkty po\u0142\u0105czenia wa\u0142u (X, Y, Z), wszystkie obrobione zgodnie ze standardem wielowypustowym 1-3\/8\u2033 Z6. Ten tr\u00f3jwa\u0142kowy uk\u0142ad pozwala przek\u0142adni na jednoczesne nap\u0119dzanie tarczy g\u0142\u00f3wnej (wa\u0142 Y), tarczy pomocniczej lub mieszad\u0142a (wa\u0142 X) oraz tylnego wyj\u015bcia (wa\u0142 Z), w zale\u017cno\u015bci od konstrukcji rozsiewacza. Podzia\u0142 mocy mi\u0119dzy wa\u0142ami odbywa si\u0119 za pomoc\u0105 wewn\u0119trznego uk\u0142adu przek\u0142adni, zapewniaj\u0105c r\u00f3wnomierny rozk\u0142ad obci\u0105\u017cenia, kt\u00f3ry zapobiega asymetrii pr\u0119dko\u015bci tarcz, co w przeciwnym razie powodowa\u0142oby nier\u00f3wnomierne rozprowadzanie nawozu i straty.<\/p>\n<p>The gearbox runs in a sealed oil bath of SAE 80W-90 gear oil (maximum 0.5 L capacity). This viscosity grade is specifically chosen to maintain an adequate lubricant film between gear flanks and bearing races across a broad operating temperature range, from cold morning starts in temperate climates to sustained high-ambient-temperature operation in tropical agricultural zones. Heat generated by the gear mesh is absorbed by the oil, conducted through the aluminium housing walls, and dissipated into the surrounding air. The first oil change at 50-70 hours removes metal break-in particles; subsequent 500-hour intervals (or annual changes) maintain oil cleanliness and gearbox longevity.<\/p>\n<p>Each rotating shaft exits the housing through a lip-type oil seal that simultaneously retains internal lubricant and excludes external contaminants including fertilizer dust, soil particles, and moisture. A breather vent maintains pressure equilibrium inside the housing as the oil heats and cools during work cycles, preventing seal distortion or forced oil expulsion. The robust sealing system is particularly important on fertilizer spreader gearboxes because ammonium nitrate and urea-based fertilizers are hygroscopic and corrosive; even trace infiltration can attack steel bearing races within a single season if seals are compromised.<\/p>\n<p>The T-281A agricultural gearbox for fertilizer spreaders is bolted to the spreader frame via four M10 mounting holes arranged in a 108 mm x 108 mm square bolt pattern (4x \u00d811 mm through-holes at 54 mm pitch in both axes). This four-point rigid mount effectively transfers the reaction torque from the gear set into the machine frame rather than allowing it to stress the PTO shaft or driveline components. The compact overall envelope (approximately 105 mm wide x 156 mm tall from mounting face to output shaft centre) accommodates tight installation spaces on compact and mid-size spreaders without structural modification.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8052 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu\" width=\"1200\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-2-480x328.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/><\/p>\n<h2>Scenariusze zastosowa\u0144<\/h2>\n<div>\n<h3>Zarz\u0105dzanie trawnikami i darni\u0105<\/h3>\n<p>Sports field managers, golf course superintendents, and turf contractors rely on precision fertiliser spreader gearboxes to deliver granular fertilizers and slow-release nutrients uniformly across closely maintained turf surfaces. Uneven application at these precision settings causes visible striping and differential growth. The consistent 2.16:1 ratio and 82 N\u00b7m output torque of the T-281A ensure disc speed stability even at low tractor forward speeds, producing the fine, even spread patterns that premium turf management demands.<\/p>\n<\/div>\n<div>\n<h3>Ogrodnictwo i szk\u00f3\u0142ki<\/h3>\n<p>In protected cultivation environments such as large greenhouse complexes and open-field nurseries, spreading equipment equipped with the T-281A agricultural gearbox for fertilizer spreaders delivers granular controlled-release fertilizers, growth substrates, and trace element mixes accurately between plant rows. The compact 7 kg, aluminium-housed gearbox keeps overall spreader weight low for use on smaller tractors and ride-on platforms commonly deployed in intensive horticultural operations across Europe, Asia, and the Americas.<\/p>\n<h3>Projektowanie krajobrazu i ogrodnictwo<\/h3>\n<p>Profesjonalni wykonawcy prac krajobrazowych i du\u017ce gospodarstwa ogrodnicze coraz cz\u0119\u015bciej korzystaj\u0105 z rozsiewaczy od\u015brodkowych montowanych na ci\u0105gnikach, nap\u0119dzanych przek\u0142adniami rolniczymi, takimi jak T-281A, do rozprowadzania granulatu nawozu o powolnym uwalnianiu i mieszanek mikroelement\u00f3w w ogrodach ozdobnych, klombach i na miejskich terenach zielonych. Mo\u017cliwo\u015b\u0107 precyzyjnej kontroli dawki nawozu poprzez regulacj\u0119 za\u0142\u0105czania WOM i pr\u0119dko\u015bci jazdy, w po\u0142\u0105czeniu ze stabiln\u0105 pr\u0119dko\u015bci\u0105 obrotow\u0105 tarcz przek\u0142adni, zapewnia r\u00f3wnomierne pokrycie bez zm\u0119czenia operatora, jakie wyst\u0119puje w przypadku maszyn obs\u0142ugiwanych r\u0119cznie lub r\u0119cznie.<\/p>\n<\/div>\n<div>\n<h3>Sady i winnice<\/h3>\n<p>Rozsiewanie nawozu wok\u00f3\u0142 sta\u0142ych upraw drzew i winoro\u015bli wymaga precyzji, aby sk\u0142adniki od\u017cywcze trafia\u0142y do \u200b\u200bstrefy korzeniowej bez uszkadzania podstawy pnia lub zak\u0142\u00f3cania pracy system\u00f3w nawadniaj\u0105cych. Regulowana szeroko\u015b\u0107 rozsiewu i kontrolowana pr\u0119dko\u015b\u0107 obrotowa tarcz, mo\u017cliwa dzi\u0119ki przek\u0142adni T-281A, pozwalaj\u0105 operatorom prze\u0142\u0105cza\u0107 si\u0119 mi\u0119dzy rozsiewem na ca\u0142ej szeroko\u015bci a w\u0105skim rozsiewem mi\u0119dzyrz\u0119dowym. Kompatybilno\u015b\u0107 urz\u0105dzenia z ci\u0105gnikami sadowniczymi o niskim profilu, w po\u0142\u0105czeniu ze standardowym interfejsem WOM, sprawia, \u017ce \u200b\u200bjest to popularna przek\u0142adnia rolnicza w\u015br\u00f3d producent\u00f3w cytrus\u00f3w, jab\u0142ek, oliwek i winogron na ca\u0142ym \u015bwiecie.<\/p>\n<div>\n<h3>Uprawa ro\u015blin<\/h3>\n<p>In large-scale arable production of wheat, corn, soybeans, and rice, precise and uniform fertilizer spreading is directly linked to crop yield and input cost efficiency. The T-281A <a href=\"https:\/\/korea-transmission.com\/pl\/fertilizer-spreader-gearbox\/\"><strong>skrzynia bieg\u00f3w rozsiewacza nawoz\u00f3w<\/strong> <\/a>powers centrifugal spreaders to distribute nitrogen, phosphorus, and potassium granules evenly across fields ranging from small paddocks to thousands of hectares, ensuring every plant has equal access to nutrients and reducing the risk of localised burning from over-application or yield loss from under-application.<\/p>\n<\/div>\n<div>\n<h3>Zarz\u0105dzanie pastwiskami<\/h3>\n<p>W systemach wypasu byd\u0142a, wydajno\u015b\u0107 pastwiska zale\u017cy od regularnego i r\u00f3wnomiernego nawo\u017cenia azotem i wapnem, co pozwala utrzyma\u0107 g\u0119sto\u015b\u0107 i walory smakowe trawy. Przek\u0142adnie rozsiewaczy nawozu nap\u0119dzaj\u0105 dwutarczowe jednostki od\u015brodkowe ze sta\u0142\u0105 pr\u0119dko\u015bci\u0105 obrotow\u0105, zapewniaj\u0105c szeroko\u015b\u0107 rozrzutu do 24 metr\u00f3w na pag\u00f3rkowatym terenie. Wytrzyma\u0142a aluminiowa obudowa i uszczelnione \u0142o\u017cyska modelu T-281A zapewniaj\u0105 niezawodn\u0105 prac\u0119 w wilgotnych, b\u0142otnistych pastwiskach, gdzie ryzyko korozji i zanieczyszczenia jest najwy\u017csze dla ka\u017cdego elementu przek\u0142adni rolniczej.<\/p>\n<\/div>\n<\/div>\n<div>\n<h3>Soil Amendments<\/h3>\n<p>Wapno rolnicze, gips, dolomit, kompost granulowany i biologiczne dodatki do gleby s\u0105 rutynowo aplikowane za pomoc\u0105 rozsiewaczy od\u015brodkowych nap\u0119dzanych przez przek\u0142adnie rozsiewaczy nawoz\u00f3w. Materia\u0142y te s\u0105 cz\u0119sto grubsze, g\u0119stsze i bardziej \u015bcierne ni\u017c standardowe granulaty NPK, co stawia wy\u017csze wymagania co do momentu obrotowego wyj\u015bciowego przek\u0142adni i szczelno\u015bci uszczelnienia. Znamionowy moment obrotowy 82 N\u00b7m i odporna na korozj\u0119, uszczelniona konstrukcja rozsiewacza T-281A pozwalaj\u0105 mu obs\u0142ugiwa\u0107 te trudne materia\u0142y bez przyspieszonego zu\u017cycia, co czyni go prawdziwie wszechstronnym rozsiewaczem nawoz\u00f3w we wszystkich programach poprawy jako\u015bci gleby.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8093 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-2.webp\" alt=\"Zastosowania przek\u0142adni rozsiewacza nawoz\u00f3w\" width=\"1200\" height=\"900\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-2.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-2-980x735.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Applications-2-480x360.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/><\/p>\n<h2>T-281A Fertilizer Spreader Gearbox Parts<\/h2>\n<p>Obudowa skrzyni bieg\u00f3w<br \/>\nThe precision die-cast aluminium alloy housing forms the structural backbone of the T-281A. It provides the rigid mounting surfaces for all internal shafts and bearings, defines the gear mesh geometry critical to correct 2.16:1 ratio delivery, and acts as the primary heat exchanger dissipating thermal energy generated during gear mesh and bearing rotation. Machined mounting faces and four \u00d811 mm through-bolt positions ensure repeatable, true alignment with the spreader frame across the gearbox service life.<\/p>\n<p>Wa\u0142 wej\u015bciowy<br \/>\nWa\u0142 wej\u015bciowy jest wykonany z hartowanej stali stopowej i szlifowany do \u015brednicy zewn\u0119trznej 1-3\/8\u2033 (oko\u0142o 35 mm) z 6-rowkowym profilem Z6. Wchodzi on do obudowy przez promieniow\u0105 uszczelk\u0119 wargow\u0105 i jest podparty \u0142o\u017cyskiem kulkowym o g\u0142\u0119bokim rowku, przystosowanym zar\u00f3wno do obci\u0105\u017ce\u0144 promieniowych, jak i umiarkowanych obci\u0105\u017ce\u0144 osiowych. Wa\u0142 przekazuje pe\u0142ny moment obrotowy WOM z pr\u0119dko\u015bci\u0105 do 540 obr.\/min na g\u0142\u00f3wne ko\u0142o z\u0119bate sto\u017ckowe bez ugi\u0119cia, wygi\u0119cia ani korozji wielowypustowej, nawet po tysi\u0105cach godzin pracy w ci\u0119\u017ckich warunkach rozprowadzania.<\/p>\n<p>Bevel Gear Set<br \/>\nSercem przek\u0142adni rolniczej T-281A jest para dopasowanych k\u00f3\u0142 z\u0119batych sto\u017ckowych o z\u0119bach spiralnych lub prostych, precyzyjnie frezowanych i szlifowanych z hartowanej stali stopowej. Ko\u0142a te zmieniaj\u0105 o\u015b obrotu wa\u0142u wej\u015bciowego o 90 stopni, jednocze\u015bnie redukuj\u0105c prze\u0142o\u017cenie 2,16:1. Z\u0119by k\u00f3\u0142 z\u0119batych s\u0105 docierane parami i oznaczane jako zestaw; wymiana jednego ko\u0142a z\u0119batego bez drugiego grozi szybkim zu\u017cyciem spowodowanym niedopasowaniem skoku i b\u0142\u0119dami profilu. Zaz\u0119bienie k\u00f3\u0142 z\u0119batych pracuje w pe\u0142ni zanurzone w oleju 80W-90, zapewniaj\u0105c ci\u0105g\u0142y film smarny w ka\u017cdych warunkach obci\u0105\u017cenia.<\/p>\n<p>Output Shafts<br \/>\nTrzy punkty przy\u0142\u0105czeniowe wyj\u015bciowe, ka\u017cdy obrobiony z profilem wielowypustowym 1-3\/8\u2033 Z6, umo\u017cliwiaj\u0105 przek\u0142adni jednoczesne nap\u0119dzanie wielu narz\u0119dzi. Ka\u017cdy wa\u0142 jest niezale\u017cnie podparty na w\u0142asnej parze \u0142o\u017cysk i uszczelniony dedykowan\u0105 uszczelk\u0105 wargow\u0105. Materia\u0142 wa\u0142u, g\u0142\u0119boko\u015b\u0107 obr\u00f3bki cieplnej i tolerancje wymiarowe s\u0105 identyczne we wszystkich trzech pozycjach, co upraszcza magazynowanie cz\u0119\u015bci zamiennych do przek\u0142adni rozsiewacza nawozu i gwarantuje, \u017ce ka\u017cdy zesp\u00f3\u0142 wa\u0142u wyj\u015bciowego mo\u017cna wymieni\u0107 zgodnie z t\u0105 sam\u0105 procedur\u0105 i przy u\u017cyciu tych samych cz\u0119\u015bci zamiennych CMN.<\/p>\n<p>Precision Bearings<br \/>\nEach shaft is supported at both ends by precision-grade bearings selected for the specific loading pattern at that position. Input shaft bearings are typically deep-groove ball bearings to handle the combination of radial PTO loads and moderate axial thrust from the bevel gear mesh. Output shaft positions may use a combination of ball and angular contact or tapered roller elements to resist the higher axial loads generated as spinning discs react against the fertilizer mass. All bearings are grease-packed and oil-bath lubricated for maximum service life.<\/p>\n<p>Lip Oil Seals<br \/>\nRadial lip seals manufactured from fluoroelastomer (FKM) or acrylonitrile butadiene rubber (NBR) are installed at each shaft exit point on the aluminium housing. These seals maintain a dynamic seal against the rotating shaft surface, retaining lubricating oil inside the gear chamber while excluding fertilizer dust, soil debris, and moisture from outside. Seal condition should be visually inspected at each oil change; evidence of oil weeping around any shaft indicates a seal nearing the end of service life and requiring replacement before it allows lubricant loss or contaminant ingress.<\/p>\n<p>Uk\u0142ad smarowania<br \/>\nThe T-281A fertilizer spreader gearbox oil level is managed through three clearly identified ports on the housing: a fill plug at the top, a level check plug at mid-height (the oil level is correct when oil reaches the lower edge of this port), and a drain plug at the bottom for complete oil changes. A calibrated breather vent prevents vacuum or pressure build-up inside the housing as temperature fluctuates during operation, protecting seals and gaskets from pressure-induced failure without allowing unfiltered external air to enter the oil chamber.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8037 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu L-25J 1-3\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/L-25J-Fertilizer-Spreader-Gearbox-1-3-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>How to Install the T-281A Gearbox on Your Fertilizer Spreader<\/h2>\n<p>1. Inspect and Prepare the Mounting Frame<br \/>\nPrzed monta\u017cem skrzyni bieg\u00f3w T-281A nale\u017cy dok\u0142adnie oczy\u015bci\u0107 ram\u0119 monta\u017cow\u0105 przek\u0142adni rozrzutnika i sprawdzi\u0107 j\u0105 pod k\u0105tem p\u0119kni\u0119\u0107, odkszta\u0142ce\u0144 lub rdzy. Nale\u017cy upewni\u0107 si\u0119, \u017ce wszystkie cztery otwory monta\u017cowe pokrywaj\u0105 si\u0119 z 4 otworami \u00d811 mm w uk\u0142adzie 108 mm x 108 mm w uk\u0142adzie kwadratowym. Zniekszta\u0142cona lub skorodowana rama b\u0119dzie powodowa\u0107 napr\u0119\u017cenia skr\u0119tne w obudowie podczas pracy, co z czasem mo\u017ce doprowadzi\u0107 do p\u0119kni\u0119cia odlewu ze stopu aluminium lub zniekszta\u0142cenia wewn\u0119trznego uk\u0142adu zaz\u0119bienia.<\/p>\n<p>2. Position and Align the Gearbox<br \/>\nOffer the T-281A up to the mounting frame and hand-tighten all four bolts before applying final torque. Check that the output shaft (Z position, pointing downward on a standard centrifugal spreader) is centred over the disc hub and that the input shaft axis is co-linear with the PTO driveshaft axis within 1 degree of angular misalignment. Use a straightedge or dial indicator across the coupling faces if precision alignment is critical, particularly on machines that run continuously at full PTO speed for extended periods.<\/p>\n<p>3. Torque the Mounting Bolts to Specification<br \/>\nU\u017cywaj\u0105c skalibrowanego klucza dynamometrycznego, dokr\u0119\u0107 wszystkie cztery \u015bruby mocuj\u0105ce po przek\u0105tnej (na krzy\u017c) do warto\u015bci momentu obrotowego okre\u015blonej w instrukcji producenta rozpieracza, zazwyczaj 40\u201355 N\u00b7m dla \u015brub M10 klasy 8.8. Dokr\u0119canie po przek\u0105tnej zapewnia r\u00f3wnomierne osadzenie obudowy na powierzchni monta\u017cowej, bez ko\u0142ysania i obci\u0105\u017ce\u0144 kraw\u0119dziowych, kt\u00f3re mog\u0142yby powodowa\u0107 koncentracj\u0119 napr\u0119\u017ce\u0144 w aluminiowym odlewie obudowy w pobli\u017cu piast \u015brub. Sprawd\u017a ponownie moment obrotowy po pierwszych 5 godzinach pracy, poniewa\u017c wst\u0119pne docieranie mo\u017ce pozwoli\u0107 na lekkie rozlu\u017anienie.<\/p>\n<p>4. Connect the PTO Driveshaft<br \/>\nNasu\u0144 jarzmo wa\u0142u nap\u0119dowego WOM na wa\u0142ek wej\u015bciowy skrzyni bieg\u00f3w (po\u0142\u0105czenie X), upewniaj\u0105c si\u0119, \u017ce wielowypusty 1-3\/8\u2033 Z6 s\u0105 ca\u0142kowicie zaz\u0119bione na d\u0142ugo\u015bci co najmniej 50 mm. W\u0142\u00f3\u017c i zabezpiecz sworze\u0144 blokuj\u0105cy lub pier\u015bcie\u0144 osadczy na ko\u0142nierzu jarzma. Nast\u0119pnie pod\u0142\u0105cz przeciwny koniec do czopowego wa\u0142u WOM ci\u0105gnika i r\u00f3wnie\u017c zabezpiecz ten sworze\u0144. Sprawd\u017a, czy wa\u0142 WOM teleskopuje si\u0119 do po\u0142o\u017cenia \u015brodkowego na wysoko\u015bci roboczej, z co najmniej 50 mm zak\u0142adki przy maksymalnym wysuni\u0119ciu i co najmniej 25 mm luzu od pe\u0142nego \u015bci\u015bni\u0119tia na minimalnej wysoko\u015bci.<\/p>\n<p>5. Fill with the Correct Grade of Gear Oil<br \/>\nThe T-281A fertilizer spreader gearbox is supplied dry. Before the first start, remove the fill plug at the top of the housing and fill with SAE 80W-90 gear oil until oil reaches the lower edge of the level check port on the side of the housing. The maximum oil capacity is 0.5 L. Use only the specified viscosity grade; lighter oils reduce film thickness under load while heavier grades increase churning losses and heat at low temperatures. Replace both plugs securely and wipe away any spillage to prevent slipping hazards and to make future oil leak detection easier.<\/p>\n<p>6. Attach the Spreading Discs or Output Implements<br \/>\nPod\u0142\u0105cz piast\u0119(y) tarczy wiruj\u0105cej lub sprz\u0119g\u0142o nap\u0119du narz\u0119dzia do odpowiednich wa\u0142k\u00f3w wyj\u015bciowych (Y i\/lub Z lub X, w zale\u017cno\u015bci od konstrukcji rozsiewacza), upewniaj\u0105c si\u0119, \u017ce wielowypusty s\u0105 ca\u0142kowicie zaz\u0119bione, a sworznie blokuj\u0105ce s\u0105 dobrze osadzone. Upewnij si\u0119, \u017ce wszystkie \u0142opatki tarczy, \u0142opatki i \u0142opatki s\u0105 prawid\u0142owo ustawione i dokr\u0119cone zgodnie z momentem obrotowym okre\u015blonym przez producenta. Niewywa\u017cony zesp\u00f3\u0142 tarczy generuje cykliczne obci\u0105\u017cenia wibracyjne, kt\u00f3re przyspieszaj\u0105 zu\u017cycie \u0142o\u017cysk wewn\u0105trz przek\u0142adni rolniczej i mog\u0105 prowadzi\u0107 do przedwczesnego zm\u0119czenia obudowy, je\u015bli nie zostan\u0105 skorygowane.<\/p>\n<p>7. Run-In Check and First Operation Inspection<br \/>\nEngage the tractor PTO at low idle speed (approximately half the rated 540 r\/min) for 5 minutes and observe the gearbox for any unusual noise, vibration, or oil seepage around shaft seals and housing joints. Then bring PTO speed up to the full 540 r\/min operating rate and run for a further 10 minutes under no-load conditions before loading the spreader hopper. Conduct the first oil change after 50-70 operating hours to remove any metallic particles generated during gear and bearing break-in, then revert to the standard 500-hour interval.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8165 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-9.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu\" width=\"1200\" height=\"820\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-9.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-9-980x670.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-9-480x328.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" \/><\/p>\n<h2>Wskaz\u00f3wki dotycz\u0105ce konserwacji<\/h2>\n<div>\n<h3>Initial Oil Fill and First Oil Change at 50-70 Hours<\/h3>\n<p>The T-281A fertilizer spreader gearbox is supplied dry and must be filled with 0.5 L of SAE 80W-90 gear oil before first use. A critical maintenance step specific to new gearboxes is the first oil change at 50-70 operating hours, well ahead of the standard 500-hour interval. During break-in, the gear flanks, bearing races, and seal lips generate metallic particles as microscopic surface asperities wear smooth. These particles remain suspended in the oil and act as abrasive agents if not flushed out promptly. The early oil change removes this break-in contamination and sets the gearbox up for a full service life.<\/p>\n<\/div>\n<div>\n<h3>Regular Fertilizer Spreader Gearbox Oil Level Checks<\/h3>\n<p>Check the fertilizer spreader gearbox oil level at the start of each spreading season and every 50 hours of operation during heavy use periods. To check, remove the level plug on the side of the housing; oil should be flush with the bottom edge of this port. If the level is low, top up through the fill plug using the same grade of 80W-90 gear oil already in the housing. Never mix different oil grades or brands, as additive incompatibility can cause foam formation, reduced film strength, and accelerated wear. A consistently low oil level between scheduled checks indicates a seal leak that must be diagnosed and repaired before the next operation.<\/p>\n<\/div>\n<div>\n<h3>Annual Oil Change and Housing Inspection<\/h3>\n<p>Even on machines that do not accumulate 500 operating hours in a year, CMN recommends a full drain-and-refill oil change at least once annually, ideally at season end before winter storage. Drain the old oil into a suitable container, inspect it for unusual metallic sediment or a milky emulsified appearance (a sign of water contamination through a compromised seal), and dispose of the used oil responsibly through an authorised recycling facility. While the drain plug is out, use a flashlight to look into the housing through the drain port for any visible gear tooth damage or foreign material before filling with fresh 80W-90 oil.<\/p>\n<\/div>\n<div>\n<h3>Shaft Seal Inspection and Replacement<\/h3>\n<p>Inspect all three shaft seal positions (X, Y, Z) visually at each oil level check. A thin oil film around the shaft exit is acceptable during run-in but persistent oil weeping after 50 hours indicates a failed or misaligned lip seal. Fertilizer and dust adhering to the weeping oil zone accelerates corrosion of the shaft journal surface, leading to progressive seal wear and eventually bearing contamination. Replace any leaking seal promptly, using only genuine CMN replacement seals dimensioned to the original shaft diameter to ensure correct interference fit and dynamic sealing performance.<\/p>\n<\/div>\n<div>\n<h3>Mounting Bolt and Housing Fastener Checks<\/h3>\n<p>Vibration from the PTO driveline, disc imbalance, and rough field travel can gradually loosen the four housing mounting bolts over a season of intensive use. Include a mounting bolt torque check in the pre-season service routine and after the first 5-10 hours of operation on a new installation. Use a calibrated torque wrench to verify that all bolts are at the specified torque. Also inspect the housing for hairline cracks around the bolt bosses or at the shaft seal positions; small cracks in the aluminium casting indicate overload or misalignment events that must be investigated before returning the machine to operation.<\/p>\n<\/div>\n<div>\n<h3>Post-Season Cleaning and Storage Preparation<\/h3>\n<p>After the final spreading operation of the season, disconnect the fertilizer spreader gearbox from the PTO shaft and thoroughly clean the external housing with warm water and a mild detergent, paying particular attention to the shaft seal areas where fertilizer residue accumulates. Allow the housing to dry completely, then spray the shaft seal lips and spline profiles lightly with a water-displacing corrosion inhibitor. Store the gearbox in a dry, ventilated space away from direct sunlight and fertilizer vapours. Protect the shaft splines from corrosion with a light coating of anti-seize compound before storing the machine, making reinstallation at the start of the next season easier and damage-free.<\/p>\n<\/div>\n<div>\n<h3>Breather Vent Maintenance<\/h3>\n<p>The breather vent on the T-281A housing performs the essential function of pressure equalisation during thermal cycling. If this vent becomes clogged with fertilizer dust, dried oil deposits, or soil, pressure will build inside the housing during operation and force oil past the shaft seals, causing apparent seal failures that are in fact caused by blocked ventilation rather than worn seals. Inspect and clean the breather vent at each seasonal service using a fine wire and compressed air. A blocked vent is one of the most commonly overlooked root causes of premature seal failure on working fertilizer spreader gearboxes in high-dust field conditions.<\/p>\n<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8018 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.84-1.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu T-281A 1.84-1\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.84-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.84-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Fertilizer Spreader Gearbox and PTO Drive Shaft<\/h2>\n<p>Przek\u0142adnia rozsiewacza nawozu znajduje si\u0119 pomi\u0119dzy wa\u0142em odbioru mocy ci\u0105gnika a tarcz\u0105 rozsiewacza lub mechanizmem mieszad\u0142a, wykonuj\u0105c jednocze\u015bnie trzy funkcje: zmian\u0119 osi obrotu, redukcj\u0119 pr\u0119dko\u015bci wyj\u015bciowej z 540 obr.\/min WOM do optymalnej pr\u0119dko\u015bci roboczej tarczy oraz zwi\u0119kszenie momentu obrotowego z wa\u0142u odbioru mocy o niskim momencie obrotowym do wy\u017cszego momentu obrotowego wymaganego do rozp\u0119dzenia obci\u0105\u017conej tarczy wbrew bezw\u0142adno\u015bci granulowanego nawozu. Bez przek\u0142adni wa\u0142 odbioru mocy nap\u0119dza\u0142by tarcz\u0119 z pe\u0142n\u0105 pr\u0119dko\u015bci\u0105 obrotow\u0105 silnika, powoduj\u0105c niekontrolowany, szeroki rozrzut i nak\u0142adaj\u0105c nadmierne obci\u0105\u017cenia od\u015brodkowe na \u0142opatki tarczy i mocowania piasty.<\/p>\n<p>Wa\u0142 odbioru mocy (WOM), dawniej znany jako wa\u0142 odbioru mocy (PTO), to teleskopowy, mechaniczny wa\u0142 nap\u0119dowy, kt\u00f3ry przekazuje moc obrotow\u0105 z tylnego wa\u0142u odbioru mocy ci\u0105gnika do pod\u0142\u0105czonego narz\u0119dzia. Zamiast wymaga\u0107, aby ka\u017cda maszyna rolnicza by\u0142a wyposa\u017cona we w\u0142asny silnik, koncepcja wa\u0142u WOM pozwala pojedynczemu ci\u0105gnikowi nap\u0119dza\u0107 szerok\u0105 gam\u0119 narz\u0119dzi: glebogryzarki, kosiarki bijakowe, r\u0119baki do drewna, prasy zwijaj\u0105ce, sieczkarnie do kiszonki, pompy nawadniaj\u0105ce, \u015blimaki zbo\u017cowe i oczywi\u015bcie rozsiewacze nawoz\u00f3w. Standardowa pr\u0119dko\u015b\u0107 obrotowa WOM ci\u0105gnika na wi\u0119kszo\u015bci rynk\u00f3w \u015bwiatowych wynosi 540 obr.\/min dla narz\u0119dzi kategorii I i II, a dla wi\u0119kszych kategorii narz\u0119dzi o wi\u0119kszej mocy przyj\u0119to standard 1000 obr.\/min.<\/p>\n<p>The physical connection between the <a href=\"https:\/\/korea-transmission.com\/pl\/pto-shafts\/\"><strong>Wa\u0142 odbioru mocy<\/strong><\/a> Przek\u0142adnia nawozu T-281A jest realizowana za pomoc\u0105 wielowypustu 1-3\/8\u2033 Z6 na wa\u0142ku wej\u015bciowym skrzyni bieg\u00f3w (po\u0142\u0105czenie X). Teleskopowa konstrukcja wa\u0142ka WOM kompensuje zmiany odleg\u0142o\u015bci mi\u0119dzy zaczepem ci\u0105gnika a narz\u0119dziem podczas jazdy po nier\u00f3wnym terenie lub podnoszenia i opuszczania maszyny na trzypunktowym uk\u0142adzie zawieszenia. Przeguby krzy\u017cakowe na obu ko\u0144cach wa\u0142ka WOM kompensuj\u0105 niewsp\u00f3\u0142osiowo\u015b\u0107 k\u0105tow\u0105 mi\u0119dzy ko\u0144c\u00f3wk\u0105 WOM ci\u0105gnika a wa\u0142kiem wej\u015bciowym skrzyni bieg\u00f3w, zazwyczaj umo\u017cliwiaj\u0105c ci\u0105g\u0142y k\u0105t roboczy do 15-25 stopni bez wibracji i strat mocy.<\/p>\n<p>CMN Transmission supplies a complete range of PTO shafts, universal joints (U-joints), yoke assemblies, torque limiters, and protective covers as companion products to its fertilizer spreader gearbox range. Purchasing the PTO shaft and gearbox from the same supplier ensures guaranteed dimensional and torque-rating compatibility, simplifies warranty claims, and reduces the number of suppliers a distributor or OEM needs to manage for a complete spreader drivetrain package.<\/p>\n<p>Wybieraj\u0105c wa\u0142ek odbioru mocy do przek\u0142adni rolniczej T-281A w rozsiewaczach nawoz\u00f3w, nale\u017cy sprawdzi\u0107, czy znamionowy moment obrotowy wa\u0142u przekracza maksymalny moment wej\u015bciowy przek\u0142adni, czy d\u0142ugo\u015bci po \u015bci\u015bni\u0119ciu i rozci\u0105gni\u0119ciu s\u0105 zgodne z geometri\u0105 maszyny oraz czy wa\u0142 jest wyposa\u017cony w ogranicznik momentu obrotowego w postaci \u015bruby \u015bcinanej lub tarczy ciernej, chroni\u0105cy zar\u00f3wno przek\u0142adni\u0119, jak i WOM ci\u0105gnika przed uszkodzeniem spowodowanym przeci\u0105\u017ceniem, gdyby tarcze rozsiewacza uderzy\u0142y w tward\u0105 przeszkod\u0119, np. kamie\u0144 lub k\u0142od\u0119, poruszaj\u0105c si\u0119 z pr\u0119dko\u015bci\u0105 polow\u0105.<\/p>\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8073 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu\" width=\"1000\" height=\"1000\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-5-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" \/><\/td>\n<td style=\"width: 50%;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-343 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1000px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft.webp 1000w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-980x980.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2025\/04\/PTO-Shaft-480x480.webp 480w\" alt=\"Wa\u0142 odbioru mocy\" width=\"1000\" height=\"1000\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Dlaczego warto wybra\u0107 przek\u0142adnie do rozsiewaczy nawoz\u00f3w firmy CMN Transmission?<\/h2>\n<p>Korea CMN Transmission Co., Ltd. was established in 2000 and is headquartered in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Korea. With over 100 factory employees dedicated exclusively to the research, development, manufacturing, sales, and service of agricultural gearboxes, CMN has grown over 25 years into a globally recognised supplier trusted by OEMs, distributors, and individual farmers across six continents. Our depth of engineering experience in fertilizer spreader gearboxes, PTO shaft design, and related transmission components is reflected in a product catalogue covering nearly one thousand individual specifications. Unlike generic importers or multi-category trading companies, CMN Transmission is an engineering-focused manufacturer. Every product in our range, from the compact T-281A fertilizer distributor gearbox to our heavy-duty combine harvester gearboxes, is developed and produced at our own Korean factory under a rigorous quality management system, ensuring that the component you receive performs exactly to the specification published on this page.<\/p>\n<p>With an annual production quantity exceeding 500,000 units across all gearbox types, CMN Transmission has the production capacity to fulfil both small distributor orders and large OEM supply contracts without compromising on lead time or quality. Our product range covers rotary cutter gearboxes, rotary tiller gearboxes, feed mixer gearboxes, rotary mower gearboxes, fertilizer spreader gearboxes, flail mower gearboxes, post hole digger gearboxes, round baler gearboxes, square baler gearboxes, disc mower gearboxes, center pivot irrigation gearboxes, hydraulic drive gearboxes, silage machine gearboxes, orchard sprayer gearboxes, rotary rake gearboxes, combine harvester gearboxes, grain storage gearboxes, grain transportation gearboxes, corn header gearboxes, cutting bar gearboxes, and poultry feeding gearboxes.<\/p>\n<p>In addition to gearboxes, CMN supplies PTO shafts, universal joints (U-joints), yoke assemblies, torque limiters, protective shaft covers, shaft adapters, couplings, bearings, blades, chains, and sprockets. This comprehensive product range makes CMN a single-source transmission supplier for agricultural machinery manufacturers, eliminating the complexity and cost of managing multiple specialist suppliers. All CMN Transmission products are manufactured under ISO 9001:2015 certified quality management processes and carry CE marking in compliance with the EU Machinery Directive. These are not marketing labels; they represent a structured, audited approach to incoming material inspection, in-process dimensional verification, gear contact pattern testing, heat treatment validation, and finished product functional testing before shipment.<\/p>\n<p>CMN Transmission exports to the United States, Canada, Mexico, Brazil, Argentina, France, Germany, Italy, Spain, the United Kingdom, Russia, China, India, Thailand, Vietnam, Turkey, Australia, and New Zealand, with extensive experience providing technical drivetrain solutions to global agricultural machinery partners. Our global logistics network and regional distributor stock enable competitive delivery times to virtually any agricultural region worldwide. For fertilizer spreader suppliers and OEM machine builders who need a reliable, certified, competitively priced agricultural gearbox for fertilizer spreader integration, CMN Transmission offers the engineering depth, production scale, and global service infrastructure to be a long-term strategic partner. We welcome custom engineering enquiries and support production based on customer drawings and specifications for agricultural gearboxes, PTO shafts, and all related agricultural machinery transmission components.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8178 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers.webp\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) and (max-width: 980px) 980px, (min-width: 981px) 1200px, 100vw\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers.webp 1200w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-980x711.webp 980w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/0_Fertilizer-Spreader-Gearbox-Manufacturers-480x348.webp 480w\" alt=\"Producenci skrzy\u0144 bieg\u00f3w do rozsiewaczy nawoz\u00f3w\" width=\"1200\" height=\"870\" \/><\/p>\n<h2>Cz\u0119sto zadawane pytania<\/h2>\n<p><strong>Q: Is the CMN T-281A a direct drop-in replacement for the Comer T-281A fertilizer spreader gearbox?<\/strong><br \/>\nO: Tak. CMN T-281A zosta\u0142 zaprojektowany jako wymiarowy i funkcjonalny zamiennik skrzyni bieg\u00f3w Comer T-281A. Wszystkie kluczowe wymiary, w tym rozstaw \u015brub 4x \u00d811 mm w kwadratowym odst\u0119pie 108 mm, trzy wielowypusty wa\u0142u 1-3\/8\u2033 Z6 oraz og\u00f3lna obudowa s\u0105 zgodne z oryginaln\u0105 specyfikacj\u0105 Comer. Oznacza to, \u017ce operatorzy mog\u0105 zdemontowa\u0107 zu\u017cyty modu\u0142 Comer i zamontowa\u0107 zamiennik CMN bez konieczno\u015bci modyfikacji ramy rozpieracza, wa\u0142u odbioru mocy lub po\u0142\u0105cze\u0144 piasty tarczy. Przed z\u0142o\u017ceniem zam\u00f3wienia zalecamy sprawdzenie rysunku monta\u017cowego konkretnej maszyny z nasz\u0105 kart\u0105 katalogow\u0105, je\u015bli nie s\u0105 Pa\u0144stwo pewni, jakiej generacji jest Pa\u0144stwa maszyna.<\/p>\n<p><strong>Q: What oil type should I use for the T-281A fertilizer gearbox, and what is the correct oil level?<\/strong><br \/>\nA: Use SAE 80W-90 GL-4 or GL-5 gear oil. The maximum oil capacity is 0.5 L. The correct fertilizer spreader gearbox oil level is reached when oil is flush with the lower edge of the level check port on the side of the housing. Fill through the top fill plug until oil reaches this level. Do not overfill, as excess oil generates heat through churning and may be forced out through the shaft seals. Contact us if you need confirmation of a specific local oil brand that meets the SAE 80W-90 specification.<\/p>\n<p><strong>Q: What is the fertilizer spreader gearbox ratio of the T-281A and how does it affect spread width?<\/strong><br \/>\nA: The T-281A has a 2.16:1 ratio, meaning the output shafts rotate once for every 2.16 input revolutions, producing approximately 250 r\/min output at standard 540 r\/min PTO speed. This output speed is optimised for medium-spread-width centrifugal disc spreaders. A higher disc RPM (achieved with a lower ratio such as 1.35:1) produces a wider spread pattern at the cost of reduced torque; a lower disc RPM (higher ratio such as 2.91:1) reduces spread width but increases disc torque for dense or heavy material. CMN offers the full T-281 series across ratios from 1.00:1 to 2.91:1 to match any spreading requirement.<\/p>\n<p><strong>Q: How often should I change the oil in my T-281A agricultural gearbox?<\/strong><br \/>\nA: Perform the first oil change after 50-70 operating hours to flush out break-in metallic particles. Thereafter, change the oil every 500 hours of operation or at least once per year, whichever comes first. In high-dust conditions or when spreading corrosive materials such as ammonium sulphate, reduce the change interval to 250-300 hours. Always dispose of used gear oil responsibly through an authorised recycling facility. Use fresh SAE 80W-90 gear oil for every refill.<\/p>\n<p><strong>Q: Can the T-281A gearbox be used on spreaders that need twin-disc or agitator drive outputs?<\/strong><br \/>\nO: Tak. Model T-281A posiada trzy punkty pod\u0142\u0105czenia wa\u0142u wyj\u015bciowego (X, Y, Z), ka\u017cdy obrobiony zgodnie ze standardem wielowypustowym 1-3\/8\u2033 Z6. Taka konstrukcja umo\u017cliwia jednoczesny nap\u0119d g\u0142\u00f3wnego dysku rozsiewaj\u0105cego (zazwyczaj wa\u0142u Z), dysku pomocniczego lub mieszad\u0142a (wa\u0142u Y) oraz dodatkowego wyj\u015bcia (wa\u0142u X), je\u015bli wymaga tego konstrukcja rozsiewacza. Wewn\u0119trzny uk\u0142ad k\u00f3\u0142 z\u0119batych r\u00f3wnowa\u017cy obci\u0105\u017cenie mi\u0119dzy aktywnymi wyj\u015bciami. Nie wszystkie trzy wa\u0142y musz\u0105 by\u0107 u\u017cywane jednocze\u015bnie; niewykorzystane pozycje wa\u0142u pozostaj\u0105 zakryte fabrycznie zamontowanymi korkami i zabezpieczone przed zanieczyszczeniami.<\/p>\n<p><strong>Q: My fertilizer spreader gearbox is leaking oil around the shaft seal. What should I do?<\/strong><br \/>\nA: A shaft seal leak is most commonly caused by: (1) a blocked breather vent creating internal pressure that forces oil past the seal lip; (2) a worn or damaged seal requiring replacement; or (3) overfilling the gearbox with oil above the correct level. First, check and clean the breather vent. If the leak continues, check the oil level and drain excess if overfilled. If the problem persists with a clean vent and correct oil level, the shaft seal requires replacement. Contact your CMN distributor for a genuine replacement seal kit matched to the T-281A shaft dimensions. Continuing to operate with a known seal leak accelerates bearing damage and risks spreading contaminated oil in the field.<\/p>\n<p><strong>Q: What is the maximum tractor PTO power the T-281A fertilizer spreader gearbox can handle?<\/strong><br \/>\nA: The T-281A is rated for a maximum input power of 10.3 kW (approximately 14 HP) at 540 r\/min. This is suitable for compact to mid-size tractors commonly paired with single-disc or light twin-disc centrifugal fertilizer spreaders. Do not use this gearbox on tractor and spreader combinations that regularly demand more than 10.3 kW at the PTO; doing so will cause accelerated gear wear, overheating, and possible housing failure. For higher-power applications, CMN offers larger-format gearboxes from the T-281 series range rated to 16.9 kW (292 N\u00b7m output torque). Contact us for the correct specification for your machine.<\/p>\n<p><strong>Q: Are fertilizer spreader gearbox parts like seals, bearings, and gear sets available separately?<\/strong><br \/>\nA: Yes, CMN Transmission supports the T-281A with a comprehensive spare parts programme. Available fertilizer spreader gearbox parts include: shaft seal kits (all three positions), precision bearing sets, complete gear shaft assemblies, housing gaskets, breather vents, drain and fill plugs, and oil level check plug assemblies. Parts are stocked by authorised CMN distributors in over 60 countries, enabling rapid local supply for time-critical in-season repairs. Contact your local CMN distributor or us with your gearbox serial number to ensure correct part selection.<\/p>\n<p><strong>Q: Does the T-281A fertilizer gearbox meet CE and ISO 9001 standards?<\/strong><br \/>\nA: Yes. CMN Transmission manufactures all agricultural gearboxes, including the T-281A fertilizer spreader gearbox, under an ISO 9001:2015 certified quality management system. The products carry CE marking, confirming compliance with the EU Machinery Directive. This certification is essential for OEM integrators supplying CE-marked spreading equipment to European and other markets that recognise CE as a conformity benchmark. Documentation including CE declarations and ISO certificates can be provided on request for OEM and distributor partners.<\/p>\n<p><strong>Q: Can CMN Transmission supply customised fertilizer spreader gearboxes to OEM specifications?<\/strong><br \/>\nA: Yes. CMN Transmission supports custom agricultural gearbox production based on customer-supplied drawings, 3D models, or performance specifications. Custom capabilities include: modified housing configurations for non-standard mounting geometries; non-standard shaft diameters, spline counts, or keyway profiles; special coating and surface treatment for highly corrosive applications; custom gear ratios outside the standard series range; and modified output shaft arrangements for unique implement drive layouts. Minimum order quantities apply for custom tooling; please contact the CMN engineering team with your technical requirements for a feasibility assessment and quotation.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-8017 size-full\" src=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.46-1.webp\" alt=\"Przek\u0142adnia rozsiewacza nawozu T-281A 1.46-1\" width=\"800\" height=\"800\" srcset=\"https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.46-1.webp 800w, https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/T-281A-Fertilizer-Spreader-Gearbox-1.46-1-480x480.webp 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 800px, 100vw\" \/><\/p>\n<h2>Opinie klient\u00f3w<\/h2>\n<p><strong>Alejandro Martinez, Wheat and Corn Farming, Argentina<\/strong><br \/>\n\u201eUprawiamy oko\u0142o 1400 ha pszenicy i kukurydzy na Pampasach. W naszym rozsiewaczu Rauch oryginalna skrzynia bieg\u00f3w zu\u017cy\u0142a si\u0119 po sze\u015bciu sezonach, a cena zamiennika w Comer by\u0142a po prostu za wysoka. Zam\u00f3wili\u015bmy dwa agregaty CMN T-281A w styczniu. Dotar\u0142y do \u200b\u200bBuenos Aires w idealnym stanie, oba wielowypusty pasowa\u0142y idealnie i zamontowali\u015bmy je w ci\u0105gu jednego popo\u0142udnia. Pierwsz\u0105 wymian\u0119 oleju przeprowadzili\u015bmy po oko\u0142o 55 godzinach, zgodnie z Pa\u0144stwa instrukcj\u0105, a olej by\u0142 czysty, z minimaln\u0105 ilo\u015bci\u0105 drobnego py\u0142u metalowego. Dwa sezony p\u00f3\u017aniej oba nadal dzia\u0142aj\u0105 idealnie, bez wyciek\u00f3w.\u201d<\/p>\n<p><strong>Brad Taylor, Corn and Soybean Farming, United States<\/strong><br \/>\n\u201eKupi\u0142em przek\u0142adni\u0119 2.16:1 T-281A, aby wymieni\u0107 zu\u017cyty Corner w moim Amazone ZA-TS 4200. Skrzynia bieg\u00f3w dotar\u0142a do Ohio w oko\u0142o 11 dni, dobrze zapakowana i bez uszkodze\u0144. Dopasowanie by\u0142o idealne, nie by\u0142o potrzeby stosowania adaptera. Przepracowa\u0142em z ni\u0105 oko\u0142o 320 godzin w ci\u0105gu dw\u00f3ch sezon\u00f3w nawo\u017cenia kukurydzy i soi i dzia\u0142a absolutnie bezproblemowo. Pracuje cicho, nie ma wyciek\u00f3w, a korek kontroli poziomu oleju jest \u0142atwo dost\u0119pny, czego nie by\u0142o w starej przek\u0142adni. Kupi\u0142bym ponownie bez wahania.\u201d<\/p>\n<p><strong>James Parker, Turf Management, Wielka Brytania<\/strong><br \/>\n\u201eProwadzimy firm\u0119 zajmuj\u0105c\u0105 si\u0119 piel\u0119gnacj\u0105 trawnik\u00f3w i boisk sportowych w hrabstwie Kent i potrzebujemy, aby nasze rozsiewacze dzia\u0142a\u0142y niezawodnie przez ca\u0142y wiosenny i jesienny sezon nawo\u017cenia. Rozsiewacz T-281A dotar\u0142 z Korei w ci\u0105gu tygodnia, co szczerze mnie zaskoczy\u0142o. Aluminiowa obudowa jest zauwa\u017calnie l\u017cejsza ni\u017c stary, \u017celiwny rozsiewacz Comer, co u\u0142atwia obs\u0142ug\u0119 rozsiewacza na trzypunktowym uk\u0142adzie zawieszenia. Jako\u015b\u0107 wielowypust\u00f3w i wyko\u0144czenia k\u00f3\u0142 z\u0119batych jest moim zdaniem doskona\u0142a. Po oko\u0142o 180 godzinach dzia\u0142a dok\u0142adnie tak, jak oczekiwano, bez \u017cadnych zastrze\u017ce\u0144.\u201d<\/p>\n<p><strong>Philippe Rousseau, Konserwacja Winnic, Francja<\/strong><br \/>\n\u201eZarz\u0105dzam winnic\u0105 w Burgundii i u\u017cywamy rozsiewacza od\u015brodkowego do rozprowadzania granulowanej siarki i wapienia mi\u0119dzy rz\u0119dami winoro\u015bli. T-281A dotar\u0142 do Francji w ci\u0105gu 9 dni, bez uszkodze\u0144 podczas transportu. Monta\u017c zaj\u0105\u0142 nieca\u0142\u0105 godzin\u0119, poniewa\u017c wymiary idealnie pasuj\u0105 do oryginalnego modelu Comer. Najbardziej zaimponowa\u0142a mi solidno\u015b\u0107 aluminiowej obudowy i jako\u015b\u0107 uszczelnienia. Po 140 godzinach pracy nie ma \u017cadnych wyciek\u00f3w ani nietypowych ha\u0142as\u00f3w. Jestem bardzo zadowolony.\u201d<\/p>\n<p><strong>Scott Harrison, Maszyny Rolnicze, Australia<\/strong><br \/>\n\u201eProwadz\u0119 salon maszyn w Nowej Po\u0142udniowej Walii i oferuj\u0119 CMN T-281A jako niedrogi zamiennik przek\u0142adni Comer w popularnych tu rozsiewaczach Vicon i Bogballe. Rolnicy go uwielbiaj\u0105, poniewa\u017c mog\u0105 zamawia\u0107 u mnie lokalnie, zamiast czeka\u0107 na drogie, importowane cz\u0119\u015bci OEM. Prze\u0142o\u017cenie wynosi dok\u0142adnie 2,16:1, jak podano. Jako\u015b\u0107 wykonania zrobi\u0142a wra\u017cenie na technikach w moim warsztacie. W ci\u0105gu ostatnich 18 miesi\u0119cy sprzedali\u015bmy i zainstalowali\u015bmy ponad 30 tych urz\u0105dze\u0144 i nie otrzymali\u015bmy ani jednego zg\u0142oszenia reklamacyjnego. Obs\u0142uga posprzeda\u017cowa CMN r\u00f3wnie\u017c bardzo szybko reagowa\u0142a na moje pytania techniczne\u201d.<\/p>\n<p><strong>Markus Becker, Crop Farming, Niemcy<\/strong><br \/>\n\u201eGospoduj\u0119 oko\u0142o 900 ha w Bawarii i u\u017cywam rozsiewaczy od\u015brodkowych do nawo\u017cenia bazowego. Kiedy zepsu\u0142a si\u0119 przek\u0142adnia Comer w moim starym rozsiewaczu, zam\u00f3wi\u0142em CMN T-281A jako zamiennik. Dostawa do Monachium zaj\u0119\u0142a 10 dni, a opakowanie by\u0142o w idealnym stanie. Monta\u017c przebieg\u0142 b\u0142yskawicznie, poniewa\u017c wszystkie wymiary s\u0105 identyczne jak w Comer. Pracuje bardzo cicho, bez wyciek\u00f3w oleju po 250 godzinach pracy. Stosunek ceny do jako\u015bci jest znacznie lepszy ni\u017c w przypadku oryginalnej cz\u0119\u015bci zamiennej. B\u0119d\u0119 przerabia\u0142 wi\u0119cej moich maszyn.\u201d<\/p>\n<p><strong>Carlos Almeida, Produkcja trzciny cukrowej, Brazylia<\/strong><br \/>\n\u201eZarz\u0105dzamy du\u017c\u0105 plantacj\u0105 trzciny cukrowej w stanie Sao Paulo i u\u017cywamy kilku ci\u0105gnikowych rozsiewaczy od\u015brodkowych w naszym programie nawo\u017cenia NPK i wapna. W zesz\u0142ym sezonie wymienili\u015bmy cztery stare skrzynie bieg\u00f3w na T-281A. Dostawa do Brazylii zaj\u0119\u0142a oko\u0142o 14 dni transportem lotniczym, co by\u0142o akceptowalne, bior\u0105c pod uwag\u0119 oszcz\u0119dno\u015b\u0107 w por\u00f3wnaniu z produktami OEM. Wszystkie cztery skrzynie bieg\u00f3w zosta\u0142y zamontowane i uruchomione w ci\u0105gu dw\u00f3ch dni. M\u00f3j mechanik twierdzi, \u017ce jako\u015b\u0107 odlew\u00f3w aluminiowych i wyko\u0144czenie k\u00f3\u0142 z\u0119batych s\u0105 zauwa\u017calnie lepsze ni\u017c w przypadku niekt\u00f3rych chi\u0144skich alternatyw, kt\u00f3re testowali\u015bmy wcze\u015bniej. Jestem bardzo zadowolony z decyzji o zakupie od CMN.\u201d<\/p>\n<p><strong>Gurpreet Singh, Uprawa ry\u017cu i pszenicy, Indie<\/strong><br \/>\n\u201eZaopatrujemy grup\u0119 \u015bredniej wielko\u015bci gospodarstw ry\u017cowo-pszenicznych w Pend\u017cabie w sprz\u0119t. Potrzebowali\u015bmy niezawodnej przek\u0142adni do rozsiewacza nawoz\u00f3w i skontaktowali\u015bmy si\u0119 z CMN za po\u015brednictwem ich strony internetowej. Zesp\u00f3\u0142 sprzeda\u017cy odpowiedzia\u0142 w ci\u0105gu 24 godzin, dostarczy\u0142 wszystkie rysunki techniczne, o kt\u00f3re prosi\u0142em, a przesy\u0142ka dotar\u0142a do Amritsar w dobrym stanie w ci\u0105gu 12 dni. Przek\u0142adnie pracuj\u0105 ju\u017c od oko\u0142o o\u015bmiu miesi\u0119cy, w dw\u00f3ch cyklach nawo\u017cenia. Nie stwierdzono \u017cadnych usterek ani problem\u00f3w z kompatybilno\u015bci\u0105 wielowypust\u00f3w, a zalecane w instrukcji okresy kontroli oleju s\u0105 \u0142atwe do przestrzegania przez naszych operator\u00f3w\u201d.<\/p>\n<p><strong>Mustafa Kaya, Pola cytrusowe i warzywne, Turcja<\/strong><br \/>\nJeste\u015bmy sp\u00f3\u0142dzielni\u0105 rolnik\u00f3w zajmuj\u0105cych si\u0119 upraw\u0105 warzyw i owoc\u00f3w w Mersin w Turcji. U\u017cywamy rozsiewaczy od\u015brodkowych na plantacjach cytrus\u00f3w i warzyw i potrzebowali\u015bmy niedrogiej przek\u0142adni do rozsiewaczy nawoz\u00f3w, gdy oryginalne jednostki Comer dobieg\u0142y ko\u0144ca. Model CMN T-281A poleci\u0142 mi inny plantator i ciesz\u0119 si\u0119, \u017ce go wypr\u00f3bowali\u015bmy. Kompaktowy, lekki, a wysokiej jako\u015bci uszczelnienie ca\u0142kowicie chroni\u0142o obudow\u0119 przed py\u0142em nawozowym, nawet po sezonie du\u017cego zapylenia. Dealer CMN pom\u00f3g\u0142 nam r\u00f3wnie\u017c znale\u017a\u0107 w\u0142a\u015bciwy olej 80W-90 dost\u0119pny lokalnie. Klienci s\u0105 tu w pe\u0142ni zadowoleni.<\/p>","protected":false},"excerpt":{"rendered":"<p>The CMN Transmission T-281A Fertilizer Spreader Gearbox, ratio 2.16:1, is a direct replacement for the Comer T-281A gearbox and serves as a critical agricultural gearbox at the heart of centrifugal fertilizer spreaders. Also known as a fertilizer distributor gearbox, it converts tractor PTO rotation (540 r\/min) into the precise output speed and torque required to drive spinning discs or augers that distribute fertilizers, lime, seeds, and granular amendments uniformly across the field. With a maximum output torque of 82 N\u00b7m and a rated input power of 10.3 kW (14 HP), this unit is engineered for consistent, efficient power transfer even under variable load conditions common during intensive crop production cycles.<\/p>","protected":false},"featured_media":8022,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[309],"product_tag":[316,315,311,317,318,319,310],"class_list":{"0":"post-8173","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fertilizer-spreader-gearbox","7":"product_tag-fertiliser-spreader-gearbox","8":"product_tag-fertilizer-distributor-gearbox","9":"product_tag-fertilizer-spreader-gearbox","10":"product_tag-fertilizer-spreader-gearbox-for-sale","11":"product_tag-fertilizer-spreader-gearbox-manufacturers","12":"product_tag-fertilizer-spreader-gearbox-suppliers","13":"product_tag-gearbox-for-fertilizer-spreader","15":"first","16":"instock","17":"shipping-taxable","18":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product\/8173","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/comments?post=8173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/media\/8022"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/media?parent=8173"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_brand?post=8173"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_cat?post=8173"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pl\/wp-json\/wp\/v2\/product_tag?post=8173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}