6. Golpeteo a baja velocidad<\/strong>
\nA knocking sound at low PTO speed – especially during start-up or load reversal – typically indicates loose U-joint snap rings, insufficient spline engagement, or a loose PTO shaft shear bolt. Inspect all snap rings for correct seating, verify the telescoping overlap exceeds 6 inches at all hitch positions, and tighten any shear bolt PTO shaft hardware to the specified torque value. Insufficient spline engagement under load reversal can cause progressive damage to the PTO shaft tube profiles.<\/p>\n
<\/p>\n
Eje de toma de fuerza y \u200b\u200bcaja de engranajes del motocultor<\/h2>\n
The rotary tiller PTO shaft – also commonly referred to as a PTO driveline shaft, PTO drive shaft, or agricultural PTO shaft – is the rotating mechanical link that transmits engine power from the tractor’s power take-off stub shaft to the rotary tiller’s main input gearbox. Without a correctly specified and properly maintained tractor PTO shaft, no amount of tractor horsepower can be usefully transferred to the tiller’s working tines. The 540 PTO shaft standard most commonly used with King Kutter tillers delivers 540 RPM of input speed via a 1.375″\u20136 spline connection, which the tiller’s internal gearbox then reduces to an efficient 210 RPM rotor speed suited for primary tillage work.<\/p>\n
The rotary tiller gearbox is the enclosed gear drive unit mounted centrally or on the side of the tiller frame that receives power from the PTO shaft input, reduces the rotational speed to the correct rotor RPM, and distributes that power through a rotor shaft to the tine flanges. King Kutter’s TG series uses a cast iron gear drive and frame with a vented gearbox operating in an oil bath – this oil-bath lubrication ensures long gear life and consistent performance even during extended tilling sessions in demanding soil conditions. The gearbox also incorporates a slip clutch at the input end to protect internal gears from shock loading when the tines encounter buried obstructions.<\/p>\n
The PTO shaft for rotary tiller and the rotary tiller gearbox form an inseparable power transmission system. The PTO shaft must be correctly sized to match the gearbox’s input torque rating: an undersized shaft will experience premature U-joint failure and PTO shaft tube wear, while an oversized shaft will deliver excessive shock loads that can crack the gearbox housing or strip internal gears. For the King Kutter TG-48 and TG-60 models (Category 3\/4, 40\u201360 HP), CMN Transmission’s Size 4 and Size 6 assemblies are precisely matched to the gearbox input capacity. For the larger TG-72 and TG-84 models (Category 4\/5, 60\u201390 HP), the Size 8 and Series 2500 assemblies provide the additional torque capacity these heavier, wider tillers require.<\/p>\n
When selecting replacement or upgrade components, it is essential to treat the PTO shaft and gearbox as a matched system rather than independent components. The slip clutch rating on the heavy-duty PTO shaft must align with the gearbox’s rated input torque. The PTO shaft dimensions and overall length must suit the tractor-to-implement distance. And the spline specification at the gearbox input end must match the output shaft of the gearbox exactly. CMN Transmission’s technical team can assist with matched system selection, ensuring that your PTO shaft parts and gearbox components work together as an optimized, reliable, long-life drive system for your King Kutter rotary tiller.<\/p>\n
<\/p>\n
\u00bfPor qu\u00e9 elegir los ejes de toma de fuerza agr\u00edcolas de CMN Transmission?<\/h2>\n
CMN Transmission (Corea) es uno de los principales proveedores mundiales de soluciones de transmisi\u00f3n de potencia para la industria y la agricultura, con una gama de productos que incluye ejes de transmisi\u00f3n de toma de fuerza, reductores agr\u00edcolas, cilindros hidr\u00e1ulicos, reductores planetarios, reductores de tornillo sin fin, engranajes c\u00f3nicos, pi\u00f1ones de cadena, cadenas, cremalleras, poleas, casquillos c\u00f3nicos, acoplamientos y mucho m\u00e1s. Con sede en Ansan-si, Gyeonggi-do, Corea, y una base de producci\u00f3n con m\u00e1s de 10 f\u00e1bricas cooperativas, mantenemos un inventario de m\u00e1s de 150\u00a0000 productos est\u00e1ndar y prestamos servicio a clientes en m\u00e1s de 53 pa\u00edses de Norteam\u00e9rica, Europa, Sudam\u00e9rica, Oriente Medio, \u00c1frica, el Sudeste Asi\u00e1tico y Ocean\u00eda.<\/p>\n
Lo que distingue a CMN Transmission en el mercado de ejes de toma de fuerza para maquinaria agr\u00edcola es nuestro compromiso con precios directos de f\u00e1brica sin sacrificar la calidad. Como empresa integrada de fabricaci\u00f3n y comercializaci\u00f3n, eliminamos los m\u00e1rgenes de beneficio de los distribuidores que encarecen las piezas de repuesto originales. Cada eje de toma de fuerza para tractor que fabricamos se elabora con dise\u00f1o CAD avanzado, mecanizado CNC de precisi\u00f3n, modernos procesos de tratamiento t\u00e9rmico y rigurosas pruebas de calidad. Nuestros productos cuentan con las certificaciones ISO 9001 y CE, lo que garantiza el cumplimiento de las normas internacionales de seguridad y rendimiento.<\/p>\n
M\u00e1s all\u00e1 de la calidad del producto, ofrecemos un nivel de atenci\u00f3n al cliente que las grandes marcas OEM a menudo no pueden igualar. Nuestro equipo t\u00e9cnico brinda asesoramiento previo a la venta para confirmar las configuraciones de estr\u00edas, las dimensiones del eje de la toma de fuerza y \u200b\u200blas especificaciones del embrague para su combinaci\u00f3n exacta de tractor e implemento. Ofrecemos piezas de eje de toma de fuerza personalizadas para aplicaciones no est\u00e1ndar y proporcionamos planos dimensionales detallados a solicitud. Despu\u00e9s de la venta, nuestro servicio posventa integral garantiza que los componentes de repuesto, la asistencia t\u00e9cnica y el soporte de garant\u00eda est\u00e9n siempre disponibles.<\/p>\n
When you choose CMN Transmission, you are choosing a partner committed to keeping your equipment running efficiently, reliably, and safely – season after season. Our heavy-duty PTO shaft products, backed by decades of manufacturing experience and global deployment across 53 countries, represent the ideal combination of engineering precision, competitive pricing, and responsive service for professional farmers, contractors, and equipment dealers worldwide.<\/p>\n

<\/p>\n
Preguntas frecuentes<\/h2>\n
P: \u00bfQu\u00e9 tama\u00f1o de eje de toma de fuerza necesito para el King Kutter TG-48 con un tractor de 25 HP?<\/strong>
\nA: For a King Kutter TG-48 paired with a 25 HP tractor operating at 540 RPM, the correct selection is a Size 4 tubular PTO shaft assembly (Category 3) with the FF1 friction clutch rated at 900NM. This matches the tractor’s PTO category and the tiller’s 540 RPM input requirement. If your tractor is closer to 35 HP, a Size 6 (Category 4, 1500NM) provides an additional safety margin and longer service life, particularly in rocky or heavy clay soil conditions. Always reference the tractor’s actual PTO HP rating at 540 RPM, not the gross engine HP, when selecting your clutch torque specification.<\/p>\nP: \u00bfEs este un reemplazo directo para el eje de toma de fuerza Walterscheid en una cultivadora King Kutter?<\/strong>
\nA: Yes. CMN Transmission’s assemblies are designed as a direct replacement of Walterscheid PTO shaft assemblies and other premium OEM brands used on King Kutter TG series tillers. The 1.375″\u20136 spline specification, overall assembly lengths, and U-joint cross dimensions are all manufactured to the same ASAE\/AGMA standards as Walterscheid and Bondioli and Pavesi units. You will find the fit, function, and torque capacity to be directly equivalent, with the added benefit of factory-direct pricing. If your existing Walterscheid shaft has a specific part number, our technical team can cross-reference it to confirm the correct CMN assembly.<\/p>\nP: \u00bfCu\u00e1l es la longitud correcta del eje de la toma de fuerza (PTO) para el King Kutter TG-72?<\/strong>
\nA: La longitud correcta del eje de la toma de fuerza (TDF) para el TG-72 depende del modelo espec\u00edfico del tractor y de la geometr\u00eda del enganche de tres puntos. En general, un conjunto con una longitud comprimida de aproximadamente 60 a 76 cm y una longitud extendida de 90 a 112 cm es compatible con la mayor\u00eda de los tractores de Categor\u00eda 1 de 35 a 50 CV. Le recomendamos encarecidamente que mida la distancia real entre el extremo de la TDF del tractor y el eje de entrada del cultivador a la altura de trabajo con el enganche en la posici\u00f3n intermedia, y que se ponga en contacto con CMN Transmission para facilitarnos esta medida. Le proporcionaremos la opci\u00f3n de conjunto correcta o, si es necesario, un eje de TDF a medida fabricado seg\u00fan sus especificaciones exactas.<\/p>\nP: \u00bfPuedo usar este eje de toma de fuerza para un tractor con toma de fuerza de 1000 RPM en lugar de uno de 540 RPM?<\/strong>
\nA: The King Kutter TG-48, TG-60, TG-72, and TG-84 tillers are designed for a 540 PTO shaft speed input only – they are not compatible with 1000 RPM PTO operation. Using a 1000 PTO shaft or operating the tiller at 1000 RPM would result in a rotor shaft speed nearly double the design value (210 RPM), causing excessive stress on tine blades, flanges, gearbox gears, and the complete PTO driveline shaft assembly. Some tractors with a 1000 RPM PTO also offer a 540 RPM setting via an engagement mode change – this setting must be used with King Kutter tillers and CMN Transmission’s 540 RPM shaft assemblies.<\/p>\nP: \u00bfC\u00f3mo ajusto el par de apriete del embrague deslizante en el eje de la toma de fuerza?<\/strong>
\nA: The slip clutch PTO shaft torque setting is adjusted by changing the compression of the friction disc spring pack via the adjustment nut on the clutch housing. To increase torque, tighten the nut clockwise (increasing spring compression); to decrease, loosen counterclockwise. Always refer to the assembly’s specification sheet for the correct spring gap dimension that corresponds to the rated NM value. Do not set the clutch above the rated torque value for your assembly size – oversetting the clutch defeats its overload protection purpose and can result in gearbox damage during the next shock load event. Contact CMN Transmission for model-specific torque adjustment procedures.<\/p>\nP: \u00bfCu\u00e1l es la diferencia entre los tubos tubulares y estriados del eje de la toma de fuerza para el enganche King Kutter?<\/strong>
\nA: A tubular PTO shaft tube uses a smooth-bore inner tube and outer tube with a round or profiled cross-section. A splined PTO shaft tubing connection uses an external spline profile on the inner member that engages with a matching internal spline in the outer member. Splined connections maintain positive engagement at shorter compressed lengths, distribute torque across a much larger surface area, and resist wear more effectively than smooth tube connections. Because King Kutter’s Category 1 three-point hitch creates a very short PTO assembly geometry, a splined telescoping design is specifically recommended over a smooth tubular connection for all four TG tiller models.<\/p>\nP: \u00bfCon qu\u00e9 frecuencia se deben lubricar las juntas universales del eje de la toma de fuerza y \u200b\u200bla secci\u00f3n telesc\u00f3pica?<\/strong>
\nA: Tanto los conjuntos de cruces de juntas universales del eje de la toma de fuerza como la secci\u00f3n telesc\u00f3pica del tubo del eje deben lubricarse a intervalos regulares para maximizar su vida \u00fatil. Como regla general, lubrique los cruces de juntas universales con grasa de litio NLGI-2 o EP-2 cada 8 horas de funcionamiento y la secci\u00f3n estriada telesc\u00f3pica cada 8-10 horas. En condiciones extremadamente polvorientas o abrasivas (suelos arenosos, suelos de ceniza volc\u00e1nica), reduzca el intervalo de lubricaci\u00f3n a 4-6 horas. Compruebe siempre que la grasa haya eliminado por completo la grasa vieja contaminada de cada conexi\u00f3n antes de pasar al siguiente punto de lubricaci\u00f3n.<\/p>\nP: \u00bfCMN Transmission ofrece dimensiones personalizadas para el eje de la toma de fuerza en instalaciones no est\u00e1ndar?<\/strong>
\nA: Yes. CMN Transmission offers a full custom PTO shaft manufacturing service for applications that fall outside our standard size ranges. This includes custom PTO shaft length configurations, non-standard spline specifications, special clutch torque ratings, unique yoke end configurations, and OEM-branded assemblies. Provide our technical team with your tractor’s PTO stub dimensions, the implement gearbox input specification, the required operating length range, and the maximum torque requirement, and we will produce a dimensional drawing for your approval before manufacturing.<\/p>\nP: \u00bfQu\u00e9 piezas del eje de la toma de fuerza est\u00e1n disponibles como repuestos individuales?<\/strong>
\nA: CMN Transmission dispone de una amplia gama de piezas individuales para ejes de toma de fuerza (PTO), incluyendo crucetas de juntas universales, anillos de retenci\u00f3n, tapas de cojinetes, juegos de discos de embrague deslizante, resortes de embrague, extremos de horquilla del eje de toma de fuerza, secciones de tubo protector, kits de pernos de seguridad para el eje de toma de fuerza y \u200b\u200bconjuntos adaptadores para el eje de toma de fuerza. Si su eje actual est\u00e1 en buen estado estructural, pero requiere el reemplazo de un componente espec\u00edfico en lugar de un conjunto completo, nuestro equipo de repuestos puede identificar las piezas de repuesto correctas seg\u00fan la designaci\u00f3n de tama\u00f1o o las medidas f\u00edsicas de su conjunto. Puede solicitar piezas individuales con la misma cobertura de env\u00edo global que los conjuntos completos.<\/p>\nP: \u00bfC\u00f3mo puedo verificar que las dimensiones del eje de la toma de fuerza sean correctas antes de comprarlo?<\/strong>
\nA: CMN Transmission’s technical team provides full dimensional drawings for every assembly option upon request before purchase, at no charge. To receive the correct drawing, provide the tractor make, model, year, and PTO HP rating along with your King Kutter tiller model (TG-48, TG-60, TG-72, or TG-84) and your measured distance between PTO stub and tiller gearbox input at working hitch height. Our team will confirm the recommended PTO shaft sizes, assembly part numbers, clutch specifications, and PTO shaft dimensions in writing before you commit to an order, ensuring you receive the exact correct part the first time.<\/p>\n
<\/p>\n
Opiniones de los clientes<\/h2>\n
Marcus, administrador de la granja, Estados Unidos<\/strong>
\n“Been running a King Kutter TG-60 on our 38-acre vegetable operation for going on six years, and we finally wore out the original PTO shaft after some pretty heavy use on some really rocky ground last spring. Ordered the Size 6 assembly from CMN Transmission and it dropped right onto the 1.375-6 spline without any fussing. We’re now about 200 field hours in and the slip clutch feels just as crisp as day one. The guard tube quality is noticeably better than the cheap aftermarket one I tried two years back – no cracking, no wobble. Price was about 40% less than the dealer wanted for a Walterscheid equivalent. Would absolutely reorder.”<\/p>\nKlaus, agricultor, Alemania<\/strong>
\n“I operate a King Kutter TG-72 on my farm and urgently required a replacement shaft for the upcoming spring tillage season. CMN Transmission delivered within only 9 working days, which greatly surprised me. The quality is flawless\u2014the PTO shaft guard tubes are more stable than I had anticipated, and the universal joints operate absolutely smoothly. I ordered the Size 8 version with FF4 clutch protection and am very satisfied. The technical support was also helpful in confirming the shaft length for my tractor.”<\/p>\nDale, agricultor y ganadero, Australia<\/strong>
\n“Running a mixed cropping and grazing property out west and we use the King Kutter TG-84 for summer fallow work. Hit an old fence post buried about 5 inches down last October – the slip clutch saved the gearbox completely. The shaft itself showed zero damage. That was the Series 2500 assembly I ordered from CMN about 8 months prior. Absolute proof that the 1700NM clutch rating is real and not just a spec on paper. Quick shipping to rural WA too, which was a pleasant surprise. My neighbor is now ordering one for his TG-72 based on what I told him.”<\/p>\nBrian, agricultor aficionado, Canad\u00e1<\/strong>
\n“Ordered the Size 4 assembly for my TG-48 on my hobby farm in Ontario. I was a little hesitant ordering from overseas but the technical team actually called me back to confirm the shaft dimensions before shipping, which I really appreciated. The PTO shaft universal joints are smooth and there’s no slop at all. Installation was maybe 20 minutes tops. I’ve done two full tilling seasons with it and it still feels brand new. Customer service was way more responsive than I expected – replied to my email in under 3 hours. Great experience overall, will use CMN again.”<\/p>\nJames, agricultor, Reino Unido<\/strong>
\n“We run a TG-72 on the farm in Yorkshire and the original PTO shaft finally gave up after about seven seasons. The CV joint had been knocking for a while and one of the U-joint caps finally cracked during last autumn’s cover crop incorporation. Went with the CMN Size 8 splined assembly as we have a short hitch setup and the splined connection was strongly recommended – they were right, works perfectly. The 1500NM clutch has already saved us once when we clipped a buried brick. Quality feels solid, competitive price, and it arrived in 11 days to the UK. Very satisfied.”<\/p>\nPierre-Luc, Maraicher, Francia
\n<\/strong> “I use a King Kutter TG-60 to prepare my market garden plots in Brittany. The CMN Transmission driveshaft that I ordered (Size 6 with FF4 coupling) arrived in 12 working days, which is reasonable considering it came from Korea. The manufacturing quality is truly excellent\u2014the universal joints are precise and the protective tube is solid. The friction clutch has already activated once to protect my gearbox. I recommend this supplier for its outstanding quality-to-price ratio. The pre-sales service was also highly professional.”<\/p>\nRodrigo, Fazendeiro, Brasil
\n<\/strong> “I have a 120-hectare farm in the interior of S\u00e3o Paulo and use the TG-84 for soil preparation in sugarcane renovation areas. The Series 2500 assembly I purchased from CMN Transmission already has more than 300 working hours in heavy clay soil and remains in perfect condition. Shipping was fast, arriving in 14 working days, and the technical support assisted in confirming the correct specifications for my 65 HP tractor. The price is significantly lower than that of equivalent European brands. I strongly recommend it for producers seeking genuine cost-effectiveness.”<\/p>\nMarco, Viticoltore, Italia<\/strong>
\n“I purchased the Size 6 cardan shaft for my King Kutter TG-60, which is used primarily for soil tillage in the vineyards of Tuscany. The construction quality is truly excellent\u2014the constant velocity joints operate silently even at relatively high angles between the tractor and the tiller. The 1500NM friction clutch has activated a couple of times on stony ground without causing any damage to the gearbox. Shipping was completed in 10 working days. Excellent quality-to-price ratio and knowledgeable technical personnel. I highly recommend CMN Transmission.”<\/p>\nAndrew, agricultor de una finca rural, Nueva Zelanda<\/strong>
\n“Running a lifestyle block in Canterbury with a TG-60 on a 45 HP Kubota. The original shaft finally wore through its U-joints after about five seasons of pasture renovation work. CMN Transmission’s Size 6 assembly was a perfect fit\u2014slid straight onto the 1.375-6 spline, the guard chains hooked up properly, and the first run was smooth and quiet. The fact that they sent me a dimensional drawing before I even paid just to confirm fit was excellent service\u2014something I had not experienced before. Delivery to NZ took 13 days. I am very pleased with both the product and the entire process. It was significantly cheaper than sourcing locally.”<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"El eje de toma de fuerza (PTO) de CMN Transmission para cultivadoras rotativas King Kutter es una soluci\u00f3n de transmisi\u00f3n de potencia dise\u00f1ada espec\u00edficamente para cuatro de los modelos de cultivadoras m\u00e1s utilizados de King Kutter: TG-48 (48 pulg., 20\u201335 HP), TG-60 (60 pulg., 25\u201340 HP), TG-72 (72 pulg., 35\u201350 HP) y TG-84 (84 pulg., 50\u201365 HP). Como eje de toma de fuerza agr\u00edcola de alta resistencia dise\u00f1ado para aplicaciones de enganche de tres puntos de Categor\u00eda 1, este producto proporciona una conexi\u00f3n fiable y sin vibraciones entre la toma de fuerza del tractor y la caja de engranajes de la cultivadora, lo que garantiza una velocidad constante del eje del rotor de 210 RPM a la velocidad de entrada de la toma de fuerza est\u00e1ndar de 540 RPM.<\/p>","protected":false},"featured_media":6906,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[222,259],"product_tag":[232,228,242,234,233,226,229,261,235,243,225,230,260,231,224],"class_list":{"0":"post-6919","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pto-shafts","7":"product_cat-pto-shaft-for-rotary-tiller","8":"product_tag-1000-pto-shaft","9":"product_tag-540-pto-shaft","10":"product_tag-agricultural-pto-shaft","11":"product_tag-custom-pto-shaft","12":"product_tag-heavy-duty-pto-shaft","13":"product_tag-pto-drive-shafts","14":"product_tag-pto-driveline-shaft","15":"product_tag-pto-shaft-for-rotary-tiller","16":"product_tag-pto-shaft-for-tractor","17":"product_tag-pto-shaft-manufacturers","18":"product_tag-pto-shafts","19":"product_tag-pto-shafts-for-sale","20":"product_tag-rotary-tiller-pto-shaft","21":"product_tag-tractor-pto-drive-shaft","22":"product_tag-tractor-pto-shaft","24":"first","25":"instock","26":"shipping-taxable","27":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product\/6919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/comments?post=6919"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/media\/6906"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/media?parent=6919"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_brand?post=6919"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_cat?post=6919"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/product_tag?post=6919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}