{"id":7932,"date":"2026-09-03T03:04:09","date_gmt":"2026-09-03T03:04:09","guid":{"rendered":"https:\/\/korea-transmission.com\/?post_type=product&p=7932"},"modified":"2026-09-04T07:36:33","modified_gmt":"2026-09-04T07:36:33","slug":"rc-100-rotary-cutter-gearbox-replacement-for-omni-rc-100-gearbox","status":"publish","type":"product","link":"https:\/\/korea-transmission.com\/id\/produk\/rc-100-rotary-cutter-gearbox-replacement-for-omni-rc-100-gearbox\/","title":{"rendered":"Penggantian Gearbox Pemotong Putar RC-100 untuk Gearbox Omni RC-100"},"content":{"rendered":"

The RC-100 Rotary Cutter Gearbox Replacement for Omni RC-100 Gearbox is a precision-engineered power transmission unit built specifically for demanding agricultural machinery applications. Designed as a direct drop-in replacement for the industry-standard Omni RC-100, this rotary cutter gearbox excels in driving rotary knives for efficient cutting operations including grass cutting, straw crushing, and heavy brush clearing. Its core function is to convert high-speed PTO rotation from a tractor (540 or 1000 RPM) into the high-torque, stable-speed mechanical energy that agricultural cutting tools require, while remaining fully reliable in the wet, muddy, and debris-filled conditions of real field environments. With a torque range of 6,183 to 16,800 lb.-in. (698 to 1,898 Nm) and five available gear ratios, this agricultural gearbox maintains stable blade power even as load conditions shift dramatically, whether slicing through dense cornstalks or tackling overgrown wetland brush.<\/p>\n

Through its forged-steel bevel gear set, the RC-100 converts tractor PTO speed into the lower-speed, higher-torque output needed for safe and effective cutting. This gearbox for rotary cutter supports five selectable gear ratios: 1.21:1, 1:1, 1:1.21, 1:1.46, and 1:1.92, giving operators precise control over blade speed to suit different crop densities and terrain types, from steep hillside pastures to waterlogged paddocks. Equipped with triple-lip spring-loaded seals, ISO tapered roller bearings, and a ductile iron housing finished in red oxide primer, the RC-100 delivers the durability, serviceability, and performance that OEMs, dealerships, and working farmers depend on. It is specifically rated for use on finishing mowers, rotary cutters, and rotary slashers where consistent high-torque power transmission is non-negotiable.<\/p>\n

\"Gearbox<\/p>\n

Spesifikasi Produk<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Model:<\/td>\nGearbox RC-100<\/td>\n<\/tr>\n
Torsi:<\/td>\n6.183 \u2013 16.800 lb.-in.
\n(698 \u2013 1.898 Nm.)<\/td>\n<\/tr>\n
Rasio:<\/td>\n1.21:1, 1:1:, 1:1.21, 1:1.46, 1:1.92<\/td>\n<\/tr>\n
Jenis Gigi:<\/td>\nMemiringkan<\/td>\n<\/tr>\n
Jenis Segel:<\/td>\nPegas Tiga Bibir<\/td>\n<\/tr>\n
Jenis Bantalan:<\/td>\nRoller Tapered<\/td>\n<\/tr>\n
Kapasitas Minyak:<\/td>\n62 oz.
\n(1,8 L)<\/td>\n<\/tr>\n
Berat:<\/td>\n89 lbs.
\n(40.37 kg)<\/td>\n<\/tr>\n
Aplikasi:<\/td>\nMesin Pemotong Rumput Finishing
\nPemotong Putar
\nPemotong Putar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

RC-100 Rotary Cutter Gearbox Dimensions<\/h2>\n

\"Dimensi<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Model<\/th>\nBerat Maksimum Unit<\/th>\nCL hingga Thru Cap A<\/th>\nCL ke Flensa B<\/th>\nFlange ke Hub Pilot C<\/th>\nDiameter Pilot Hub H<\/th>\nDiameter Flensa D1<\/th>\nPola Lubang Baut E1<\/th>\nLubang Pemasangan F1<\/th>\nUkuran Persegi Flange D2<\/th>\nPola Lubang Baut E2<\/th>\nLubang Pemasangan F2<\/th>\n<\/tr>\n
pon<\/th>\nkg<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\ndi dalam<\/th>\nmm<\/th>\n<\/tr>\n<\/thead>\n
RC-20<\/td>\n34<\/td>\n15<\/td>\n3.0<\/td>\n76<\/td>\n6.5<\/td>\n165<\/td>\n2.40<\/td>\n61.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n6.18<\/td>\n157<\/td>\n6.8<\/td>\n171.5<\/td>\n(4) 0.67<\/td>\n(4) 17<\/td>\n<\/tr>\n
RC-27<\/td>\n47<\/td>\n21<\/td>\n3.5<\/td>\n88<\/td>\n6.4<\/td>\n164<\/td>\n2.40<\/td>\n61.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n6.18<\/td>\n157<\/td>\n6.8<\/td>\n171.5<\/td>\n(4) 0.67<\/td>\n(4) 17<\/td>\n<\/tr>\n
RC-30<\/td>\n51<\/td>\n23<\/td>\n3.9<\/td>\n100<\/td>\n6.4<\/td>\n164<\/td>\n3.30<\/td>\n84.0<\/td>\n2.5<\/td>\n63.5<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n6.89<\/td>\n175<\/td>\n6.8<\/td>\n171.5<\/td>\n(4) 0.67<\/td>\n(4) 17<\/td>\n<\/tr>\n
RC-51<\/td>\n56<\/td>\n25<\/td>\n3.7<\/td>\n94<\/td>\n6.4<\/td>\n164<\/td>\n3.50<\/td>\n88.9<\/td>\n2.5<\/td>\n63.5<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n6.89<\/td>\n175<\/td>\n6.8<\/td>\n171.5<\/td>\n(4) 0.67<\/td>\n(4) 17<\/td>\n<\/tr>\n
RC-61<\/td>\n81<\/td>\n37<\/td>\n4.2<\/td>\n107<\/td>\n7.2<\/td>\n183<\/td>\n3.50<\/td>\n88.9<\/td>\n2.5<\/td>\n63.5<\/td>\n9.5<\/td>\n242.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(4) 0.787<\/td>\n(4) 20<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-71<\/td>\n83<\/td>\n38<\/td>\n4.2<\/td>\n107<\/td>\n7.2<\/td>\n183<\/td>\n3.50<\/td>\n88.9<\/td>\n2.5<\/td>\n63.5<\/td>\n9.5<\/td>\n242.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(4) 0.787<\/td>\n(4) 20<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-81<\/td>\n98<\/td>\n45<\/td>\n4.6<\/td>\n116<\/td>\n11.0<\/td>\n279<\/td>\n3.50<\/td>\n88.9<\/td>\n2.5<\/td>\n63.5<\/td>\n9.6<\/td>\n245.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(4) 0.787<\/td>\n(4) 20<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-100<\/td>\n96<\/td>\n44<\/td>\n4.8<\/td>\n121<\/td>\n7.1<\/td>\n180<\/td>\n3.78<\/td>\n96.0<\/td>\n2.5<\/td>\n63.5<\/td>\n9.4<\/td>\n240.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(4) 0.787<\/td>\n(4) 20<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-130S<\/td>\n109<\/td>\n49<\/td>\n5.1<\/td>\n130<\/td>\n7.1<\/td>\n180<\/td>\n4.00<\/td>\n102.0<\/td>\n2.9<\/td>\n73.0<\/td>\n9.8<\/td>\n250.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(6) 0.807<\/td>\n(6) 21<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-130L<\/td>\n120<\/td>\n54<\/td>\n5.1<\/td>\n130<\/td>\n7.1<\/td>\n180<\/td>\n7.20<\/td>\n184.0<\/td>\n3.8<\/td>\n96.0<\/td>\n9.8<\/td>\n250.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(6) 0.807<\/td>\n(6) 21<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-145<\/td>\n110<\/td>\n50<\/td>\n5.6<\/td>\n142<\/td>\n8.9<\/td>\n225<\/td>\n8.05<\/td>\n204.5<\/td>\n3.8<\/td>\n96.0<\/td>\n10.2<\/td>\n260.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(6) 0.807<\/td>\n(6) 21<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-150L<\/td>\n145<\/td>\n66<\/td>\n5.1<\/td>\n130<\/td>\n11.0<\/td>\n280<\/td>\n7.20<\/td>\n184.0<\/td>\n3.8<\/td>\n96.0<\/td>\n9.8<\/td>\n250.0<\/td>\n8.0<\/td>\n203.2<\/td>\n(6) 0.807<\/td>\n(6) 21<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
RC-200<\/td>\n220<\/td>\n100<\/td>\n6.4<\/td>\n162<\/td>\n9.5<\/td>\n241<\/td>\n8.00<\/td>\n203.0<\/td>\n5.3<\/td>\n135.0<\/td>\n11.8<\/td>\n300.0<\/td>\n10<\/td>\n254.0<\/td>\n(6) 0.905<\/td>\n(6) 23<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Key Features of RC-100 Rotary Cutter Gearbox<\/h2>\n

1. Tractor PTO Direct Drive
\nConnects directly to the tractor PTO shaft and supports both standard 540 RPM and 1000 RPM input speeds. The quick-change splined coupling enables fast attachment and removal without tools, reducing changeover time during season transitions. Direct-drive architecture eliminates belt-and-pulley losses, delivering full PTO power to the cutting head for maximum efficiency across all vegetation densities. Compatible with all major tractor brands using standard spline configurations.<\/p>\n

2. Kemampuan Beradaptasi di Segala Medan
\nThe floating gearbox design allows the cutter deck to follow natural ground contours without mechanical binding. As terrain undulates across slopes, waterlogged fields, or rocky paddocks, the mounting geometry enables the output shaft to pivot, automatically adjusting cutting height and preventing the blade assembly from striking embedded rocks or root masses. This dramatically reduces sudden shock-loading damage to the gearbox housing and output shaft, especially valuable when operating this finishing mower gearbox on uneven pasture terrain.<\/p>\n

3. Field-Accessible Maintenance
\nThe external oil fill port and bottom drain valve are positioned for accessibility even when the gearbox is installed on the mower deck, allowing the operator to check the rotary cutter gearbox oil level, top off lubricant, or perform a full oil change without removing the unit from the machine. With an oil capacity of 62 oz. (1.8 L) and a sealed system designed to resist contamination, recommended maintenance intervals are straightforward to follow in the field, minimizing costly downtime during peak harvest or clearing seasons.<\/p>\n

4. Heavy-Duty Durability and Sealing
\nThe ductile iron housing finished with red oxide primer resists corrosion from mud, moisture, crop sap, and fertilizer residues. All rotating shaft exits are protected by triple-lip spring-loaded seals forming three redundant barriers against oil leakage and debris intrusion. This multi-layer sealing strategy extends bearing service life significantly compared to single-lip alternatives, making the RC-100 a dependable long-term replacement gearbox for rotary cutter applications in harsh field environments where reliability over multiple seasons is essential.<\/p>\n

5. Integrated Safety and Overload Protection
\nAn integrated overload protection mechanism (shear-bolt or slip-clutch configuration) instantly disconnects the drive torque path if the blade assembly jams on a rock, tree stump, or dense fibrous material. This prevents catastrophic gear failure and protects the tractor PTO shaft and driveline from destructive shock torque spikes. A standard pressure relief plug is also fitted to vent thermally-generated housing pressure during extended operation, preventing seal blow-out and maintaining safe internal conditions throughout long cutting sessions in high-load applications.<\/p>\n

6. Five-Ratio Precision Speed Control
\nDengan lima rasio gigi yang tersedia (1,21:1, 1:1, 1:1,21, 1:1,46, dan 1:1,92), operator memiliki kendali penuh atas keseimbangan antara kecepatan bilah dan torsi pemotongan. Fleksibilitas ini memungkinkan satu gearbox untuk melayani aplikasi pemotongan rumput ringan pada RPM bilah tinggi atau tugas pembersihan semak berat pada kecepatan lebih rendah dengan torsi maksimum. Memilih rasio gearbox pemotong putar yang tepat sangat penting untuk mencocokkan unit dengan output PTO traktor dan kepadatan vegetasi, dan lima pilihan RC-100 mencakup seluruh spektrum pemotongan pertanian profesional.<\/p>\n

\"Gearbox<\/p>\n

How Does the RC-100 Rotary Cutter Gearbox Work<\/h2>\n

Gearbox pemotong putar adalah inti mekanis dari setiap alat pemotong atau pemotong rumput yang digerakkan PTO. RC-100 memulai jalur dayanya dari poros Power Take-Off (PTO) traktor, yang berputar pada kecepatan 540 atau 1000 RPM. Energi rotasi tersebut ditransfer melalui poros penggerak tugas berat ke poros input gearbox: poros baja paduan yang dikarburisasi dan dikerjakan dengan profil spline standar yang terhubung secara universal di berbagai merek dan ukuran traktor umum.<\/p>\n

Inside the ductile iron housing, the input shaft drives a set of forged-blank, precision machine-cut bevel gears. These gears redirect the horizontal rotational plane of the PTO shaft by 90 degrees to a vertical axis driving the blade spindle downward through the cutter deck, while simultaneously stepping down input speed and multiplying torque according to the selected ratio. At a 1:1.92 ratio, 540 RPM input produces approximately 1,036 RPM output for fine grass finishing. At 1.21:1, the same input is reduced to approximately 446 RPM while torque climbs to the maximum range of up to 16,800 lb.-in. (1,898 Nm) for heavy brush and straw cutting duty.<\/p>\n

The output shaft delivers this high-torque drive energy to the blade carrier bar or cutting spindle assembly. ISO tapered roller bearings support both input and output shafts, handling combined radial loads from gear-mesh forces and axial loads from blade impact. The triple-lip spring-loaded seals at every shaft exit maintain an oil-bath lubrication environment around all rotating components, ensuring continuous lubrication even when the gearbox is tilted on sloping ground during hillside operation.<\/p>\n

The oil-bath lubrication system keeps gears and bearings partially submerged in 62 oz. (1.8 L) of gear oil at all times. Internal gearcase porting channels oil flow from the main sump to the lower bearings during operation, preventing lubricant starvation. The standard pressure relief plug automatically vents thermally-generated internal pressure, protecting seals during extended cutting sessions. A precision cast iron end cap completes the housing assembly, maintaining alignment and protecting internal components from field debris ingress.<\/p>\n

Together, these engineering systems allow the RC-100 to sustain continuous heavy-duty operation across the demanding conditions of professional pasture management, roadside clearing, and large-scale agricultural cutting. This makes it a reliable rotary mower gearbox choice for both new installations and for rotary cutter gearbox repair and rebuild projects where a proven, field-proven architecture is required. It supports multi-speed regulation to suit different crop densities and terrains, including steep slopes and wetlands, giving operators the versatility to run one gearbox across diverse seasonal tasks.<\/p>\n

\"Aplikasi<\/p>\n

RC-100 Gearbox Applications<\/h2>\n
\n

1. Grass Cutting and Straw Crushing<\/h3>\n

Rentang torsi RC-100 yang luas menjadikannya ideal untuk menggerakkan pisau putar guna memotong rumput padang rumput, jerami serealia, dan tanaman penutup tanah seperti batang jagung setelah panen. Kecepatan putaran pisau diatur melalui pemilihan rasio gigi untuk menghasilkan mulsa kasar untuk pengembalian ke lahan pertanian atau ukuran partikel yang lebih halus untuk pakan ternak. Ini adalah penggunaan paling umum untuk RC-100 di seluruh operasi pertanian biji-bijian di Amerika Utara dan Australia di mana gearbox pemotong putar yang andal harus menangani beban pemotongan harian yang bervariasi tanpa gangguan.<\/p>\n<\/div>\n

\n

2. Shrub and Bramble Clearing<\/h3>\n

For orchard perimeters, woodland edges, and fencerow management, the RC-100 delivers sustained high torque to cut through woody bramble canes, small saplings, and dense brush up to 2 inches in diameter. The overload protection prevents gearbox damage when the blade encounters unexpectedly hard or root-bound material, making this\u00a0rotary slasher gearbox\u00a0configuration a reliable choice for land-clearing contractors and livestock producers managing invasive vegetation on challenging terrain.<\/p>\n<\/div>\n

\n

3. Farmland Preparation and Stubble Treatment<\/h3>\n

Combined with disc knives or mulching blade assemblies, the RC-100 rapidly processes post-harvest field stubble including rice stubble, wheat stubble, and sunflower stalks, chopping residue to a consistent size suitable for incorporation ahead of primary tillage. Fast, efficient stubble clearance allows tighter crop rotation windows and reduces disease and pest pressure associated with standing crop residues across large row-crop farming operations in the US Midwest, Europe, and Asia.<\/p>\n<\/div>\n

\n

4. Pengelolaan Kebun Buah dan Barisan Anggur<\/h3>\n

The compact dimensional profile of the RC-100, with a flange diameter of 9.4 in. (240 mm) and CL-to-flange of 7.1 in. (180 mm), enables it to power narrow inter-row mowing machinery suited for orchard and vineyard alleys where operating space is constrained. Maintaining a clean, low-growing groundcover between tree or vine rows improves air circulation, reduces frost risk, and limits soil moisture competition, critical in high-value permanent crop operations in European, Californian, and South American markets.<\/p>\n<\/div>\n

\n

5. Roadside and Right-of-Way Vegetation Management<\/h3>\n

Kontraktor pemeliharaan kota dan jalan raya menggunakan gearbox seri RC pada pemotong putar offset yang dipasang pada traktor untuk pengelolaan rumput dan gulma di sepanjang jalan raya, parit drainase, dan koridor utilitas. Rumah besi cor ulet tugas berat RC-100 dan sistem penyegelan multi-lapisan tahan terhadap paparan puing-puing yang terus-menerus termasuk batu, kerikil, dan massa akar yang padat, memungkinkan interval servis yang lebih panjang yang membantu menekan biaya operasional dalam program pemotongan pinggir jalan bervolume tinggi.<\/p>\n<\/div>\n

\n

6. Wetland and Levee Maintenance<\/h3>\n

Sawah, tepian kanal irigasi, dan tanggul pengatur banjir memerlukan pengendalian vegetasi secara berkala untuk mencegah kerusakan struktur dan menjaga jalur aliran air tetap bersih. Pemasangan RC-100 yang adaptif terhadap medan dan penyegelan tiga lapis yang kokoh membuatnya cocok untuk pengoperasian traktor amfibi di lingkungan dengan kelembapan tinggi di mana gearbox konvensional mengalami korosi yang dipercepat dan kegagalan segel. Aplikasi ini umum di seluruh Asia Tenggara, Pantai Teluk AS, dan wilayah pertanian Lembah Po di Italia utara.<\/p>\n<\/div>\n

\n

7. Large Pasture and Range Management<\/h3>\n

Cattle ranchers and sheep graziers running large acreages rely on heavy-duty\u00a0rotary cutter gearboxes\u00a0like the RC-100 for periodic pasture renovation: knocking back rank grasses, thistle infestations, and juvenile woody regrowth that livestock will not graze. The combination of up to 16,800 lb.-in. torque capacity and multi-ratio flexibility means one tractor-gearbox pairing handles diverse vegetation types across varied terrain within a single property, reducing implement fleet complexity and total ownership cost.<\/p>\n<\/div>\n

\n

8. Sports Field and Amenity Turf Finishing<\/h3>\n

At the lighter end of its operating range, the RC-100 configured at a high-speed ratio powers\u00a0finishing mower gearbox\u00a0decks for large sports fields, equestrian arenas, and golf course roughs. The precision-ground gear set runs smoothly at high output speed, and the tapered roller bearings minimize vibration transmission to the cutting deck, producing superior finish quality compared to heavy-duty gearboxes optimized purely for torque at the expense of running smoothness and cut uniformity at higher blade speeds.<\/p>\n<\/div>\n

\"Gearbox<\/p>\n

RC-100 Rotary Cutter Gearbox Parts<\/h2>\n

1. Rumah Gearbox
\nThe ductile iron outer shell encloses and protects all internal rotating components, absorbs sudden shock loads from blade strikes against embedded stones and stumps, and provides the rigid structural backbone for the mounting flange, end caps, and shaft assemblies. The casting maintains oil containment under all operating orientations and is finished in red oxide primer to protect against field corrosion from moisture, crop sap, and fertilizer residue exposure over long service periods.<\/p>\n

2. Roda Gigi Bevel
\nForged-blank, precision machine-cut bevel gears are the primary power-transmission elements inside the gearbox. Hardened alloy steel construction redirects PTO shaft rotation by 90 degrees while adjusting output speed and torque to the selected ratio. Precision forged straight bevel, spiral bevel, and lapped spiral bevel gearing configurations are available, with higher-specification variants offering quieter operation and greater efficiency under the continuous heavy loads characteristic of full-season rotary cutter gearbox service.<\/p>\n

3. Poros Masukan
\nPoros baja paduan yang dikarburisasi dan dikerjakan dengan profil spline standar yang kompatibel dengan PTO terhubung ke poros penggerak traktor dan menyalurkan daya putar ke set roda gigi bevel. Sambungan spline memungkinkan kopling untuk meluncur bebas saat diam dan terkunci dengan kuat di bawah beban torsi, mengakomodasi sedikit ketidaksejajaran yang terjadi saat alat pertanian mengikuti kontur tanah. Konfigurasi enam spline standar 1-3\/8\u2033 dan 1-3\/4\u2033 memastikan kompatibilitas luas di semua merek traktor global utama dan sistem penggerak alat pertanian.<\/p>\n

4. Poros Keluaran
\nPositioned beneath the housing, the output shaft delivers high-torque drive energy to the blade carrier bar or cutting spindle assembly. It must sustain not only rated torque up to 16,800 lb.-in. (1,898 Nm) under steady-state operation but also the sudden shock torques generated by blade strikes against hard objects. Carburized alloy steel with surface hardening and a splined gearfit connection ensures the shaft handles repeated high-impact loads over an extended service life in professional cutting applications.<\/p>\n

5. Tapered Roller Bearings
\nISO tapered roller bearings support both input and output shafts, handling combined radial loads from gear-mesh forces and significant axial loads during angled cutting operations on sloped terrain. Bearing quality directly affects gearbox noise level, heat generation, and overall service life. Properly preloaded tapered roller bearings maintain correct shaft alignment throughout their service life, preventing the gear face wear and progressive noise that results from bearing-induced shaft deflection in lesser units using ball bearings in the same application.<\/p>\n

6. Triple-Lip Spring-Loaded Oil Seals
\nTiga penghalang segel bibir redundan dipasang di sekitar setiap keluaran poros yang berputar: dua bibir bagian dalam menahan oli roda gigi di dalam rumah; bibir bagian luar mencegah masuknya debu, serat tanaman, air, dan lumpur. Pegas pengikat di belakang setiap bibir menjaga tekanan kontak yang konsisten pada permukaan poros saat bibir segel aus seiring waktu. Segel gearbox pemotong putar yang aus adalah salah satu penyebab paling umum kegagalan bantalan prematur, dan desain tiga bibir RC-100 memperpanjang masa pakai segel secara signifikan dibandingkan dengan alternatif satu bibir yang standar pada unit berbiaya lebih rendah.<\/p>\n

7. Oil-Bath Lubrication System
\nThe RC-100 operates on an oil-bath principle with 62 oz. (1.8 L) of gear oil keeping gears and lower bearings partially submerged at all times. Internal gearcase porting channels oil flow from the main sump to the lower bearings during operation, preventing starvation even on slopes. Maintaining correct kotak roda gigi pemotong putar<\/strong><\/a> oil level is the most important single maintenance task: insufficient oil accelerates gear and bearing wear, while overfilling causes seal pressure buildup. Mineral or synthetic gear oils are both suitable depending on operating temperature requirements.<\/p>\n

8. Pressure Relief Plug and End Caps
\nA standard pressure relief plug fitted to the housing vents thermally-generated internal pressure during extended cutting sessions, preventing seal blow-out from heat expansion of trapped air. Precision cast iron end caps seal the bearing bores, maintain correct bearing preload, and protect internal components from field ingress. Both are key rotary cutter gearbox parts for any comprehensive service or rotary cutter gearbox rebuild procedure and should be inspected and replaced as needed during every major service interval to maintain housing integrity.<\/p>\n

https:\/\/korea-transmission.com\/wp-content\/uploads\/2026\/09\/Rotary-Cutter-Gearbox.mp4<\/a><\/video><\/div>\n

How to Install the RC-100 Rotary Mower Gearbox<\/h2>\n

1. Verify Compatibility and Pre-Check Oil<\/strong>
\nSebelum pemasangan, pastikan pola baut flensa RC-100: (4) lubang 0,787 inci pada lingkaran baut 8,0 inci (203,2 mm) dan diameter pilot hub 2,5 inci (63,5 mm). Pastikan spline poros input sesuai dengan kopling driveline PTO Anda. Periksa level oli di gearbox baru dan tambahkan oli gir yang ditentukan pabrikan hingga 62 ons (1,8 L) jika diperlukan. Jangan operasikan sebelum memastikan level oli yang benar untuk menghindari kerusakan bantalan langsung selama pengoperasian awal.<\/p>\n

2. Remove the Old Gearbox Safely<\/strong>
\nEngage the tractor parking brake and place the implement on solid, level ground before disassembly. Disconnect the PTO driveline from the old gearbox input shaft after sliding the safety shield back and releasing the quick-disconnect collar. Support the old gearbox with a jack stand or block of wood before removing the four flange mounting bolts; a 89 lb. (40.37 kg) gearbox can cause serious injury if unsupported. Collect any draining oil for proper disposal and note whether the oil appears contaminated before disposal.<\/p>\n

3. Prepare the Mounting Surface<\/strong>
\nClean the cutter deck mounting flange face thoroughly with a wire brush and solvent to remove rust scale, old gasket material, and caked soil. Inspect the flange for cracks, warping, or elongated bolt holes that could cause misalignment or vibration under load. Apply a light coat of anti-seize compound to the flange face and mounting bolt threads before installation to prevent future corrosion bonding that makes the next gearbox removal difficult. A flat mating surface is essential for correct gear alignment inside the installed RC-100.<\/p>\n

4. Mount and Torque the Gearbox<\/strong>
\nAngkat RC-100 ke posisinya menggunakan tali pengangkat atau dengan bantuan orang lain, masukkan diameter pilot hub 2,5 inci (63,5 mm) ke dalam lubang pilot dek untuk mencapai pemusatan otomatis sebelum baut menanggung beban apa pun. Pasang keempat baut pemasangan secara manual sebelum mengencangkan salah satunya untuk memastikan flensa terpasang rata tanpa miring. Kencangkan keempat baut sesuai spesifikasi dalam manual pabrikan dek pemotong Anda, biasanya 80 hingga 120 ft-lb untuk baut kelas flensa ini, dengan pola silang diagonal untuk menerapkan gaya penjepitan yang merata di seluruh permukaan flensa.<\/p>\n

5. Connect the PTO Driveline<\/strong>
\nGeser dudukan input poros PTO ke spline poros input RC-100, tekan dengan kuat hingga kerah pelepas cepat terpasang dengan tepat ke alur poros. Tarik poros penggerak ke luar untuk memastikan kerah telah terpasang; jika terlepas tanpa menekan tombol pelepas, pasang kembali hingga terasa bunyi klik yang tepat dan terkonfirmasi. Pastikan pelindung pengaman poros penggerak menutupi seluruh poros dan sambungan universal yang terbuka, dan rantai anti-rotasi pelindung terpasang pada titik tetap pada rangka implement sebelum pengoperasian.<\/p>\n

6. Run-In and Initial Inspection<\/strong>
\nBefore field operation, engage the PTO at idle speed (low tractor RPM) with no cutting load and allow the gearbox to run for 5 minutes. Listen for abnormal noise (grinding, whining, or rhythmic clicking) that may indicate assembly issues. Check all mounting surfaces and the oil fill area for leaks after this run-in period. After the first actual hour of cutting operation, re-torque all four mounting bolts to full specification, as initial settling of flange mating surfaces sometimes allows slight bolt relaxation during the break-in period under vibration and load.<\/p>\n

\"Aplikasi<\/p>\n

Common Faults and Solutions<\/h2>\n
\n

Oil Leak from Shaft Seals<\/h3>\n

Menyebabkan:<\/strong>\u00a0Worn or damaged triple-lip seals; overfilled oil; hardened seal lip.
\nSolution:<\/strong>\u00a0Drain oil to the correct 62 oz. (1.8 L) level and re-inspect. If leaking continues, inspect the shaft surface for scoring and replace the shaft seals with OEM-spec triple-lip units. During a\u00a0rotary cutter gearbox rebuild, always replace the full seal set regardless of apparent condition to prevent asymmetric wear and early re-failure.<\/p>\n<\/div>\n

\n

Excessive Noise (Grinding or Whining)<\/h3>\n

Menyebabkan:<\/strong>\u00a0Insufficient oil level causing metal-to-metal contact; worn or pitted bearings; chipped gear teeth from a foreign object strike.
\nSolution:<\/strong>\u00a0Stop operation immediately and check\u00a0rotary cutter gearbox oil level. If oil is at the correct level, drain and inspect internally for gear damage. Replace worn bearings and damaged gears promptly, as continued operation with damaged internals accelerates failure to the housing and shaft components.<\/p>\n<\/div>\n

\n

Overheating During Extended Operation<\/h3>\n

Menyebabkan:<\/strong>\u00a0Incorrect oil viscosity grade; blocked pressure relief plug; oil level too low or contaminated oil.
\nSolution:<\/strong>\u00a0Stop cutting, allow the gearbox to cool, and check that the pressure relief plug is not clogged and vents freely. Drain and replace the\u00a0rotary cutter gearbox oil\u00a0with the correct viscosity grade for the seasonal operating temperature. For sustained high-load continuous clearing sessions, plan periodic 15-minute cooling stops to prevent thermal seal damage.<\/p>\n<\/div>\n

\n

Input or Output Shaft Binding<\/h3>\n

Menyebabkan:<\/strong>\u00a0Impacted crop material wrapped around shaft; misaligned driveline imposing side load; collapsed bearing.
\nSolution:<\/strong>\u00a0Disengage PTO immediately and clear all debris from the shaft area before attempting rotation. Check driveline alignment at working height. If binding persists after clearing, inspect bearings for collapse or spalling and replace the full bearing set before returning the machine to service.<\/p>\n<\/div>\n

\n

Flange Mounting Bolt Loosening<\/h3>\n

Menyebabkan:<\/strong>\u00a0Inadequate initial torque; vibration from blade imbalance; contaminated flange face preventing full clamping contact.
\nSolution:<\/strong>\u00a0Re-torque all four mounting bolts to full specification in a diagonal cross pattern. If bolts continue loosening in service, inspect the flange face for warping, clean thoroughly, and consider applying thread-locking compound to the bolt threads after confirming flange flatness. A loose gearbox generates severe vibration that rapidly destroys bearings and gear teeth through shock and fretting.<\/p>\n<\/div>\n

\n

Premature Bearing Failure<\/h3>\n

Menyebabkan:<\/strong>\u00a0Water contamination of oil from failed seal; incorrect oil level; exceeding torque rating for extended periods.
\nSolution:<\/strong>\u00a0Drain oil and inspect for milky appearance indicating water ingress. Replace all seals and bearings together. During\u00a0rotary cutter gearbox repair, always replace the complete bearing set to prevent asymmetric wear between new and old components. Establish regular oil inspection intervals going forward to catch contamination before it causes secondary damage.<\/p>\n<\/div>\n

\n

Overload Clutch Slipping Unexpectedly<\/h3>\n

Menyebabkan:<\/strong>\u00a0Clutch engagement torque set too low; clutch worn and slipping below rated torque; foreign object partially jamming the blade.
\nSolution:<\/strong>\u00a0Clear the blade assembly of all debris and check for bent or damaged blades causing imbalance. Inspect the clutch mechanism for wear or oil contamination on friction surfaces. Adjust the engagement torque setting for your HP class per the CMN service manual. The clutch should engage only during genuine jams, not during normal heavy cutting on dense material.<\/p>\n<\/div>\n

\n

Vibration Transmitted Through Tractor Frame<\/h3>\n

Menyebabkan:<\/strong>\u00a0Blade imbalance from uneven wear or bent blade; loose gearbox mounting; worn driveline universal joints.
\nSolution:<\/strong>\u00a0Remove and balance or replace mowing blades as a matched set; never replace only one blade in a multi-blade assembly. Check driveline universal joints for play. Verify all gearbox mounting bolts are torqued correctly. A well-maintained\u00a0agricultural gearbox\u00a0and balanced blade system should produce minimal vibration at the tractor seat under all cutting conditions.<\/p>\n<\/div>\n

\"Komponen<\/p>\n

Rotary Cutter Gearbox and PTO Drive Shaft<\/h2>\n

Kotak roda gigi pemotong putar dan poros PTO (Power Take-Off) bersama-sama membentuk sistem penyaluran daya mekanis lengkap yang mengubah output mesin traktor menjadi gaya putar torsi tinggi yang dibutuhkan untuk menggerakkan bilah pemotong melalui vegetasi pertanian yang lebat. Sistem PTO traktor adalah antarmuka standar yang menyediakan daya mesin untuk alat-alat yang digerakkan. Pada hampir semua traktor pertanian, poros keluaran PTO berputar pada 540 RPM atau 1000 RPM, keduanya merupakan standar internasional yang telah ditetapkan (ISO 500) dengan profil spline yang sesuai: 1-3\/8\u2033 6-spline untuk 540 RPM dan 1-3\/4\u2033 6-spline untuk 1000 RPM. Standar ini memastikan kemampuan pertukaran di seluruh merek traktor dan alat pertanian di seluruh dunia. Poros PTO dapat menyalurkan daya mekanis yang signifikan: traktor dengan mesin 100 HP dapat mentransmisikan 80+ HP melalui output PTO-nya dalam kondisi nominal, yang semuanya harus ditransfer dengan aman dan efisien melalui sistem penggerak ke kotak roda gigi alat pertanian.<\/p>\n

Sistem penggerak, yaitu rakitan poros teleskopik dengan sambungan universal di setiap ujungnya, menjembatani jarak dan sudut yang bervariasi antara poros PTO tetap traktor dan poros input gearbox yang bergerak pada alat pertanian. Saat alat pertanian naik dan turun mengikuti kontur tanah atau saat traktor berbelok, sistem penggerak akan memanjang dan sambungan universal akan melentur untuk mempertahankan transmisi daya yang berkelanjutan tanpa hambatan atau getaran. Kapasitas daya sistem penggerak harus disesuaikan dengan cermat baik dengan output PTO traktor maupun torsi input terukur gearbox; sistem penggerak yang ukurannya terlalu kecil dapat mengalami kegagalan fatal akibat beban kejut yang dihasilkan oleh benturan bilah terhadap rintangan yang tertanam.<\/p>\n

Kotak roda gigi pemotong putar pada RC-100 menerima input dari poros penggerak di bagian atas rumah melalui sambungan poros input beralur. Di sinilah terjadi transformasi daya: rangkaian roda gigi bevel di dalam rumah mengarahkan sumbu rotasi dari horizontal (bidang input PTO) ke vertikal (bidang output pisau) dan secara bersamaan melipatgandakan torsi sambil mengurangi kecepatan sesuai dengan rasio roda gigi yang dipilih. Lima rasio yang tersedia pada RC-100, yaitu 1,21:1, 1:1, 1:1,21, 1:1,46, dan 1:1,92, memungkinkan pencocokan kecepatan pisau yang tepat dengan kecepatan input PTO untuk berbagai aplikasi pemotongan. Rasio 1:1,92 ideal untuk pekerjaan kotak roda gigi mesin pemotong rumput di mana kecepatan ujung pisau maksimum menghasilkan potongan yang bersih dan halus pada rumput. Rasio 1,21:1 memprioritaskan torsi output maksimum untuk pembersihan semak belukar yang lebat dengan kecepatan pisau terkontrol pada material padat.<\/p>\n

Di bagian dasar rumah RC-100, poros keluaran menyalurkan daya yang telah diubah langsung ke rakitan mata pisau pemotong. Ketika mata pisau mengenai batu, tunggul, atau benda tak bergerak lainnya, lonjakan torsi kejut yang dihasilkan merambat kembali melalui hub mata pisau, ke poros keluaran, melalui rangkaian roda gigi, dan ke poros masukan. Roda gigi baja paduan tempa RC-100, bantalan rol tirus, dan kopling beban berlebih opsional dirancang untuk menyerap, mengarahkan kembali, atau memutuskan energi kejut ini dengan aman sebelum dapat menyebabkan kerusakan internal yang parah pada komponen apa pun dalam sistem penggerak.<\/p>\n

Inilah mengapa mencocokkan peringkat torsi gearbox dengan output PTO traktor yang sebenarnya sangat penting. Gearbox yang ukurannya terlalu kecil untuk pengoperasian pemotong putar akan mengalami beban berlebih berulang kali yang menyebabkan kelelahan pada gigi roda dan bantalan, sehingga menyebabkan kegagalan dini terlepas dari kualitas nominal gearbox. Rentang torsi RC-100 sebesar 6.183 hingga 16.800 lb.-in. mencakup rentang operasional yang luas, meliputi traktor dari sekitar 40 HP untuk tugas finishing ringan hingga 100 HP untuk pengelolaan padang rumput dan semak belukar yang berat. Rentang inilah yang menjadikan RC-100 sebagai gearbox pengganti yang sangat dipercaya untuk mesin pemotong putar di pasar pertanian global, di mana satu model yang andal harus memenuhi beragam kebutuhan operasional.<\/p>\n\n\n\n
\"Gearbox<\/td>\n\"Poros<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Mengapa Memilih Gearbox Pemotong Putar dari CMN Transmission?<\/h2>\n

Korea CMN Transmission Co., Ltd. was established in 2000 and is headquartered in Sandan-o, Danwon-gu, Ansan-si, Gyeonggi-do, Korea. With more than 100 factory employees and a manufacturing floor dedicated exclusively to agricultural power transmission, CMN Transmission has built a global reputation as a reliable supplier of agricultural gearboxes for OEMs, equipment distributors, and agricultural machinery retailers across six continents. Over 25 years, the company has grown from a domestic Korean manufacturer into a recognized global exporter shipping to 60+ destinations worldwide, with established customer relationships across North and South America, Europe, Asia-Pacific, Southeast Asia, the Middle East, and beyond.<\/p>\n

Rangkaian produk CMN Transmission mencakup seluruh spektrum transmisi daya pertanian: gearbox pemotong putar, gearbox pembajak putar, gearbox pengaduk pakan, gearbox pemotong rumput putar, gearbox penyebar pupuk, gearbox pemotong rumput flail, gearbox penggali lubang tiang, gearbox mesin pengepak jerami bundar, gearbox mesin pengepak jerami persegi, gearbox pemotong rumput cakram, gearbox irigasi poros tengah, gearbox penggerak hidrolik, gearbox mesin silase, gearbox penyemprot kebun, gearbox penggaruk putar, gearbox mesin pemanen gabungan, gearbox penyimpanan dan pengangkutan biji-bijian, gearbox kepala pemanen jagung, gearbox batang pemotong, dan gearbox pemberian pakan unggas. Cakupan total mencakup hampir seribu spesifikasi, memungkinkan CMN untuk berfungsi sebagai pemasok tunggal untuk program mesin pertanian lengkap, mengurangi kompleksitas dan biaya pengadaan bagi pelanggan OEM besar yang beroperasi di berbagai lini produk.<\/p>\n

Quality assurance is embedded throughout the CMN Transmission manufacturing process. The company holds ISO 9001 Quality Management System certification, CE marking certification for European market compliance, Environmental Management System certification, and Occupational Health and Safety certification. This combination satisfies the procurement compliance requirements of major global OEMs and national distributors in regulated markets including the European Union, United States, Canada, and Australia. With annual production exceeding 500,000 gearbox units, CMN operates at a scale enabling consistent component sourcing quality, tightly controlled manufacturing tolerances, and competitive pricing without compromising on the material specifications, ductile iron housings, forged alloy steel gearing, ISO tapered roller bearings, that define long service life in demanding agricultural environments.<\/p>\n

For buyers seeking a dependable source of rotary cutter gearboxes for sale at OEM quality with responsive global service, from individual agricultural dealers to national distributors managing thousands of units per year, CMN Transmission offers the technical depth, documented quality systems, parts support infrastructure, and export logistics experience to serve as a long-term strategic supplier. Contact our international sales team for product specifications, pricing, and OEM partnership discussions. We currently export to the United States, Canada, Mexico, Brazil, Argentina, France, Germany, Italy, Spain, the United Kingdom, Russia, China, India, Thailand, Vietnam, Turkey, Australia, New Zealand, and many additional markets globally, with full customs documentation, CE compliance, and technical export support provided for all major destination markets.<\/p>\n

\"Produsen<\/p>\n

Pertanyaan yang Sering Diajukan<\/h2>\n

Q: Is the RC-100 a direct replacement for the Omni RC-100 gearbox?<\/strong>
\nA: Ya. Pengganti Gearbox Pemotong Putar CMN Transmission RC-100 dirancang agar sesuai dengan dimensi pemasangan penting Omni RC-100 secara tepat: pola lubang pemasangan (4) 0,787 inci pada lingkaran baut 8,0 inci (203,2 mm), diameter pilot hub 2,5 inci (63,5 mm), dan dimensi CL-ke-flange 7,1 inci (180 mm). Ini adalah dimensi pemasangan langsung untuk mesin apa pun yang dibangun di sekitar Omni RC-100. Selalu ukur flensa dek Anda yang ada sebelum memesan dan hubungi tim teknis kami untuk konfirmasi tentang aplikasi apa pun yang Anda ragukan sebelum membeli.<\/p>\n

Q: What oil type and quantity does the RC-100 rotary cutter gearbox require?<\/strong>
\nA: The RC-100 requires 62 oz. (1.8 L) of gear oil. For temperate climates, SAE 90 gear oil (GL-5 rated) is recommended. In cold climates where winter operation occurs, use SAE 80W-90 or 75W-90 synthetic gear oil for better cold-flow properties. In tropical environments with sustained high ambient temperatures, SAE 140 may be appropriate. Check the rotary cutter gearbox oil level at each use and change the oil at the first 50 operating hours, then every 100 to 200 hours thereafter depending on operating severity and environmental contamination exposure.<\/p>\n

Q: What rotary cutter gearbox ratio should I select for a 540 RPM PTO finishing mower application?<\/strong>
\nA: For a finishing mower gearbox application requiring maximum blade tip speed for a clean, fine cut on turf or managed pasture grass, select the 1:1.92 ratio. At 540 RPM PTO input, this produces approximately 1,036 RPM at the output shaft for excellent blade tip speed and finish cut quality. For slightly thicker material while still on a 540 RPM PTO, the 1:1.46 ratio (approximately 789 RPM output) is a good intermediate choice. For heavy clearing work on the same tractor, the 1.21:1 ratio provides maximum torque at reduced blade speed.<\/p>\n

Q: How do I know if my rotary cutter gearbox needs rebuilding versus complete replacement?<\/strong>
\nA: A rotary cutter gearbox rebuild is typically worthwhile when the housing is undamaged but seals, bearings, and gears are worn. Signs warranting rebuild: oil leaks from shaft seals, grinding or whining noise under load, excessive shaft play detectable by hand, or milky\/grey oil indicating contamination. If the housing is cracked, gear teeth are spalled or broken from a shock-load event, or shafts are scored beyond wear limits, complete replacement with a new RC-100 unit is more cost-effective than rebuilding. CMN Transmission supplies complete rotary cutter gearbox parts kits for RC-series units to support rebuild projects.<\/p>\n

Q: What tractor HP range is the RC-100 suitable for?<\/strong>
\nA: Rentang torsi RC-100 sebesar 6.183 hingga 16.800 lb.-in. (698 hingga 1.898 Nm) mencakup rentang operasional yang luas. Pada batas bawah, alat ini cocok untuk traktor dengan daya sekitar 40 hingga 60 HP dalam aplikasi pemotongan yang lebih ringan seperti pemotongan akhir atau pemotongan rumput. Pada torsi maksimumnya, alat ini cocok untuk traktor hingga sekitar 100 HP dalam pembersihan semak belukar yang berat, pengelolaan tepi jalan, dan renovasi padang rumput. Fleksibilitas ini menjadikan RC-100 salah satu unit yang paling mumpuni di kelas gearbox pemotong putar 100 HP, mampu melayani aplikasi yang lebih ringan dan lebih berat bila dipasangkan dengan pemilihan rasio gigi yang tepat untuk setiap kombinasi daya dan jenis vegetasi tertentu.<\/p>\n

Q: How often should I change the oil in the RC-100 rotary cutter gearbox?<\/strong>
\nA: Perform the first rotary cutter gearbox oil change at 50 operating hours to flush assembly residues and initial metal particles from gear-mesh run-in. Thereafter, change the oil every 100 hours under normal operating conditions, or every 50 hours in exceptionally dusty, wet, or high-temperature environments. Inspect the oil at each interval by draining a small sample: milky or grey-colored oil indicates water or metal contamination and requires an immediate full oil change and seal inspection before the machine is returned to service. Clean oil is the single most effective measure for maximizing gearbox service life.<\/p>\n

Q: Can the RC-100 be used for brush clearing on steep slopes?<\/strong>
\nA: Yes, the RC-100 is suitable for slope operation with attention to the rotary cutter gearbox oil level. On gradients steeper than approximately 15 degrees, the oil sump geometry may cause partial oil starvation if the unit is operated for extended periods at that angle from a single direction. Check the oil level with the machine on flat ground before beginning steep slope work, ensure the level is at the upper mark, and avoid sustained single-direction slope operation for more than 30 consecutive minutes on extreme gradients. The internal porting for oil flow to lower bearings provides additional protection against oil starvation during moderate slope cutting.<\/p>\n

Q: Are replacement parts available, and can I perform rotary cutter gearbox repair myself?<\/strong>
\nA: Yes. CMN Transmission stocks a full range of rotary cutter gearbox parts for the RC-100 series including oil seals, tapered roller bearing sets, gear sets, input and output shafts, pressure relief plugs, and end caps. For a competent mechanic with basic workshop tools, field-level rotary cutter gearbox repair covering seal and bearing replacement is straightforward when following CMN service documentation. Internal gear replacement requires specialized tooling including a bearing press and dial indicator for gear mesh setup; this level of rotary cutter gearbox rebuild work is best performed in a workshop environment. Contact our parts department with your RC-100 serial number for a complete parts list and current availability and pricing.<\/p>\n

Q: What distinguishes reputable rotary cutter gearbox manufacturers from lower-quality suppliers?<\/strong>
\nA: Key differences between rotary cutter gearbox manufacturers include housing material quality, gear manufacturing process, bearing specification (tapered roller vs. ball bearings), seal specification (triple-lip vs. single-lip), dimensional precision of mounting interfaces, spare parts availability, and after-sales technical support. CMN Transmission differentiates by using ductile iron housings, forged-blank precision machine-cut bevel gears, ISO tapered roller bearings, triple-lip spring-loaded seals, and ISO 9001-certified manufacturing processes with CE certification, providing the documented quality assurance that global OEM and distributor customers require for long-term supply relationships.<\/p>\n

\"Gearbox<\/p>\n

Ulasan Pelanggan<\/h2>\n

James, Farm Equipment Dealer, United States<\/strong>
\n\u201cKami memesan 8 unit RC-100 sebagai gearbox pengganti untuk departemen servis kami dan sekarang telah memasang lima di antaranya pada mesin pelanggan yang sebelumnya menggunakan unit Omni RC-100. Setiap unit terpasang dengan sempurna tanpa modifikasi, pola baut flensa, diameter pilot hub, dan jarak CL ke flensa semuanya sejajar dengan sempurna. Kami memiliki mesin pemotong milik salah satu pelanggan yang beroperasi di padang rumput berbatu yang sangat terjal dan telah mengalami kerusakan gearbox setiap musim. Unit CMN sekarang sudah beroperasi selama 14 bulan tanpa masalah dan petani melaporkan bahwa gearbox ini lebih senyap daripada gearbox OEM asli. Kami akan terus menyediakan produk ini secara permanen ke depannya. Tim servis di CMN sangat responsif terhadap permintaan harga grosir kami, merespons di hari yang sama, yang sangat mengesankan untuk hubungan pemasok baru.\u201d<\/p>\n

Marco, Grass Cutting, Italy<\/strong>
\n\u201cKami memesan 12 unit RC-100 terutama untuk memotong rumput di kebun dan pinggir jalan berdasarkan kontrak pemerintah daerah di Italia utara. Pengiriman dikemas dengan sangat baik dan tiba dalam 18 hari dari Korea, lebih cepat dari yang kami perkirakan mengingat volumenya. Konfigurasi rasio 1:1,46 bekerja sangat baik untuk aplikasi kebun kami dengan traktor 70 HP. Kami menerima satu unit dengan kebocoran segel kecil saat tiba; CMN segera mengirimkan segel pengganti melalui ekspres udara tanpa biaya dan masalah tersebut terselesaikan dalam 3 hari. Dukungan purna jual seperti ini persis yang kami butuhkan saat menjual kepada pelanggan yang tidak mampu menanggung waktu henti mesin yang lama. Kami akan memesan lagi pada kuartal pertama musim depan.\u201d<\/p>\n

Thomas, Manajemen Padang Rumput, Australia<\/strong>
\n\u201cMengoperasikan tiga mesin pemotong rumput putar yang dipasang pada traktor secara komersial untuk membersihkan pinggir jalan dan padang rumput di Queensland, pekerjaan berat di kondisi berbatu dan kering yang cepat merusak gearbox. Saya memasang RC-100 pada mesin terbesar saya, John Deere 95 HP, sekitar 11 bulan yang lalu. Sudah beroperasi sekitar 600 jam termasuk pembersihan lantana yang serius di mana bilah-bilahnya terus menerus mengenai batu dan batang kayu yang lebat. Gearboxnya belum pernah bermasalah. Level oli tetap konsisten, tidak ada kebocoran seal, masih senyap. Seal tiga lapisnya jelas mencegah masuknya tanah merah. Harga yang diterima sekitar 35% lebih murah daripada membeli pengganti secara lokal melalui dealer. Logistiknya lancar dan melewati bea cukai Australia dengan cepat dengan semua dokumen lengkap. Akan membeli lagi tanpa ragu.\u201d<\/p>\n

Pierre, Manajemen Padang Rumput, Prancis<\/strong>
\n\u201cKami memesan 6 unit RC-100 untuk armada mesin bersama koperasi kami yang mencakup sekitar 800 hektar padang rumput campuran untuk pemotongan rumput dan pemangkasan akhir. Pemasangannya mudah pada dek pemotong Kuhn yang kami gunakan; dimensinya sangat cocok. Sangat puas dengan kualitas pembuatannya; rumah besi cor terasa kokoh dan segelnya jelas berkualitas tinggi. Saya memberikan 4 bintang, bukan 5, hanya karena pengiriman awal sedikit lebih lama dari perkiraan. Komunikasi dari CMN sangat baik sepanjang proses dengan pembaruan berkala. Kinerja gearbox itu sendiri setelah satu musim pemotongan penuh: tidak ada keluhan sama sekali. Akan memesan lagi untuk pengisian stok musim depan.\u201d<\/p>\n

Carlos, Pengolahan Sisa Jerami Lahan Pertanian, Brasil<\/strong>
\n\u201cBrasil memiliki pasar yang sangat besar untuk gearbox pemotong putar di wilayah perkebunan tebu, kedelai, dan peternakan sapi, dan RC-100 adalah produk terlaris kami berdasarkan volume penjualan. Saya telah mendistribusikan produk CMN Transmission selama 2 tahun dan mungkin telah menjual sekitar 80 unit sejauh ini dengan hanya 2 kasus garansi, keduanya diselesaikan dengan cepat oleh CMN tanpa biaya dan tanpa perdebatan. Pengemasannya sangat baik, tidak ada kerusakan pada pengiriman meskipun transit laut yang panjang. Pelanggan saya sangat menghargai kemudahan perawatan oli; mereka dapat memeriksa dan mengganti oli gearbox pemotong putar di lapangan tanpa alat khusus. Keunggulan praktis ini sangat penting untuk operasi besar yang menjalankan banyak mesin selama musim yang panjang dengan akses bengkel yang terbatas di lokasi.\u201d<\/p>\n

David, Penghancur Jerami, Kanada<\/strong>
\n\u201cSaya mengelola armada 9 traktor dengan pemotong putar untuk operasi pertanian gandum skala besar di Ontario dan telah mengganti gearbox dengan unit CMN RC-100 selama 18 bulan terakhir. Sangat terkesan dengan kecepatan pengiriman; melewati bea cukai Kanada dalam 4 hari, total 22 hari dari pemesanan hingga sampai di toko. Bantalan rol tirusnya jauh lebih baik daripada beberapa unit pengganti yang lebih murah yang pernah saya coba dari pemasok lain yang menggunakan bantalan bola dalam aplikasi yang sama. RC-100 menangani beban dengan lebih lancar dan berjalan lebih dingin. Saya memiliki pertanyaan tentang spesifikasi oli yang tepat untuk kondisi operasi musim dingin kami dan tim teknis menjawab dengan rekomendasi tertulis yang terperinci dalam beberapa jam. Dukungan seperti itu sangat penting ketika Anda mengelola armada besar.\u201d<\/p>\n

Alejandro, Manajemen Padang Rumput, Argentina<\/strong>
\n\u201cSaya membeli 4 unit RC-100 untuk mesin pemotong putar saya di provinsi Cordoba dan kami menggunakannya secara intensif di lahan penggembalaan yang sangat kering dan berdebu, yang sangat abrasif terhadap seal dan bantalan. Setelah 8 bulan beroperasi, keempat gearbox masih berfungsi tanpa kebocoran oli sedikit pun; desain tiga seal bekerja persis seperti yang diiklankan. Salah satu tetangga saya memiliki gearbox pengganti murah dari pemasok lain yang hanya bertahan satu musim sebelum kedua seal rusak dan bantalan hancur. Unit RC-100 saya jelas lebih baik dalam hal konstruksi untuk penggunaan yang menuntut dan berkelanjutan. Rasio 1:1,46 yang saya pilih berdasarkan saran CMN bekerja sempurna dengan traktor 85 HP saya di berbagai medan. Gearbox pertanian yang bagus dengan harga yang sangat baik untuk tingkat kualitasnya.\u201d<\/p>\n

Ramesh, Pengelolaan Jerami, India<\/strong>
\n\u201cPasar India memiliki permintaan yang sangat tinggi untuk gearbox pemotong putar untuk pengelolaan jerami padi dan pemotongan sisa tebu setelah panen. Rentang torsi RC-100, terutama ujung atasnya sebesar 16.800 lb.-in., dibutuhkan untuk beban serat berat dari sisa tebu yang memberikan tekanan luar biasa pada gearbox. Kami telah mengimpor selama setahun terakhir dan sangat puas dengan daya tahannya. Satu pengiriman berisi 15 unit tiba dengan dua unit yang mengalami kerusakan cat eksternal ringan akibat pengiriman dan CMN segera mengatur nota kredit tanpa mengharuskan unit tersebut dikembalikan. Penanganan profesional ini membangun kepercayaan yang dibutuhkan untuk hubungan pemasok jangka panjang dan kami merekomendasikan CMN kepada importir lain di jaringan kami.\u201d<\/p>\n

Kevin, Pemilik dan Pengelola Pertanian, Amerika Serikat<\/strong>
\n\u201cSaya mengelola lahan pertanian campuran seluas 600 hektar di Missouri dan gearbox Omni RC-100 asli pada mesin pemotong rumput saya rusak setelah bertahun-tahun digunakan. Saya menemukan CMN Transmission secara online dan memesan penggantinya. Barang tiba dalam 16 hari, dikemas dengan baik, tanpa kerusakan pengiriman. Saya memasangnya sendiri dalam waktu sekitar satu jam; cukup mudah jika Anda pernah melakukan penggantian gearbox sebelumnya. Saya telah memotong berbagai jenis rumput, mulai dari fescue halus hingga rumput Johnson setinggi kepala dan semak blackberry dengan traktor 90 HP saya. Gearbox bahkan tidak terasa panas saat disentuh setelah seharian memotong rumput, yang menunjukkan bahwa sirkulasi oli dan kualitas bantalan bekerja dengan benar. Level oli tidak turun sama sekali dalam 6 bulan penggunaan aktif. Produk yang sangat solid untuk harganya. Akan memesan lagi ketika mesin pemotong rumput lainnya membutuhkan penggantian gearbox.\u201d<\/p>","protected":false},"excerpt":{"rendered":"

The RC-100 Rotary Cutter Gearbox Replacement for Omni RC-100 Gearbox is a precision-engineered power transmission unit built specifically for demanding agricultural machinery applications. Designed as a direct drop-in replacement for the industry-standard Omni RC-100, this rotary cutter gearbox excels in driving rotary knives for efficient cutting operations including grass cutting, straw crushing, and heavy brush clearing. Its core function is to convert high-speed PTO rotation from a tractor (540 or 1000 RPM) into the high-torque, stable-speed mechanical energy that agricultural cutting tools require, while remaining fully reliable in the wet, muddy, and debris-filled conditions of real field environments.<\/p>","protected":false},"featured_media":7848,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"off","_et_pb_old_content":"The RC-100 Rotary Cutter Gearbox Replacement for Omni RC-100 Gearbox for the agricultural industry is a power transmission unit designed specifically for agricultural machinery, mainly used to drive rotary knives for efficient cutting operations, such as grass cutting, straw crushing, brush clearing, etc.). Its core function is to convert the power from the tractor or other power sources into high-torque, stable-speed mechanical energy suitable for agricultural cutting, while adapting to the complex field environment. Through the gear set it converts the high speed (usually 540\/1000 RPM) of the tractor power output shaft (PTO) into low speed and high torque suitable for cutting, ensuring that the tool maintains stable power when the load is changing, such as cutting thick straw or weeds. It supports multi-speed regulation to suit different crop densities or terrains, such as steep slopes and wetlands.\r\n\r\n\"RC-100\r\n

Product Specifications<\/h2>\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Model:<\/td>\r\nRC-100 Gearbox<\/td>\r\n<\/tr>\r\n
Torque:<\/td>\r\n6,183 - 16,800 lb.-in.\r\n(698 - 1,898 Nm.)<\/td>\r\n<\/tr>\r\n
Ratios:<\/td>\r\n1.21:1, 1:1:, 1:1.21, 1:1.46, 1:1.92<\/td>\r\n<\/tr>\r\n
Gear Type:<\/td>\r\nBevel<\/td>\r\n<\/tr>\r\n
Seal Type:<\/td>\r\nTriple Lip Spring Loaded<\/td>\r\n<\/tr>\r\n
Bearing Type:<\/td>\r\nTapered Roller<\/td>\r\n<\/tr>\r\n
Oil Capacity:<\/td>\r\n62 oz.\r\n(1.8 L)<\/td>\r\n<\/tr>\r\n
Weight:<\/td>\r\n89 lbs.\r\n(40.37 kg)<\/td>\r\n<\/tr>\r\n
Applications:<\/td>\r\nFinishing Mowers\r\nRotary Cutters\r\nRotary Slashers<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

RC-100 Rotary Cutter Gearbox Dimensions<\/h2>\r\n\"Rotary\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
Model<\/th>\r\nMaximum\r\nWeight\r\nof Unit<\/th>\r\nCL to Thru\r\nCap\r\nA<\/th>\r\nCL to\r\nFlange\r\nB<\/th>\r\nFlange to\r\nHub Pilot\r\nC<\/th>\r\nHub Pilot\r\nDiameter\r\nH<\/th>\r\nFlange Diameter\r\nD1<\/th>\r\nBolt Hole\r\nPattern\r\nE1<\/th>\r\nMounting Holes\r\nF1<\/th>\r\nFlange Square\r\nSize\r\nD2<\/th>\r\nBolt Hole\r\nPattern\r\nE2<\/th>\r\nMounting Holes\r\nF2<\/th>\r\n<\/tr>\r\n
lb<\/th>\r\nkg<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\nin<\/th>\r\nmm<\/th>\r\n<\/tr>\r\n<\/thead>\r\n
RC-20<\/td>\r\n34<\/td>\r\n15<\/td>\r\n3.0<\/td>\r\n76<\/td>\r\n6.5<\/td>\r\n165<\/td>\r\n2.40<\/td>\r\n61.0<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n6.18<\/td>\r\n157<\/td>\r\n6.8<\/td>\r\n171.5<\/td>\r\n(4) 0.67<\/td>\r\n(4) 17<\/td>\r\n<\/tr>\r\n
RC-27<\/td>\r\n47<\/td>\r\n21<\/td>\r\n3.5<\/td>\r\n88<\/td>\r\n6.4<\/td>\r\n164<\/td>\r\n2.40<\/td>\r\n61.0<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n6.18<\/td>\r\n157<\/td>\r\n6.8<\/td>\r\n171.5<\/td>\r\n(4) 0.67<\/td>\r\n(4) 17<\/td>\r\n<\/tr>\r\n
RC-30<\/td>\r\n51<\/td>\r\n23<\/td>\r\n3.9<\/td>\r\n100<\/td>\r\n6.4<\/td>\r\n164<\/td>\r\n3.30<\/td>\r\n84.0<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n6.89<\/td>\r\n175<\/td>\r\n6.8<\/td>\r\n171.5<\/td>\r\n(4) 0.67<\/td>\r\n(4) 17<\/td>\r\n<\/tr>\r\n
RC-51<\/td>\r\n56<\/td>\r\n25<\/td>\r\n3.7<\/td>\r\n94<\/td>\r\n6.4<\/td>\r\n164<\/td>\r\n3.50<\/td>\r\n88.9<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n6.89<\/td>\r\n175<\/td>\r\n6.8<\/td>\r\n171.5<\/td>\r\n(4) 0.67<\/td>\r\n(4) 17<\/td>\r\n<\/tr>\r\n
RC-61<\/td>\r\n81<\/td>\r\n37<\/td>\r\n4.2<\/td>\r\n107<\/td>\r\n7.2<\/td>\r\n183<\/td>\r\n3.50<\/td>\r\n88.9<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n9.5<\/td>\r\n242.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(4) 0.787<\/td>\r\n(4) 20<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-71<\/td>\r\n83<\/td>\r\n38<\/td>\r\n4.2<\/td>\r\n107<\/td>\r\n7.2<\/td>\r\n183<\/td>\r\n3.50<\/td>\r\n88.9<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n9.5<\/td>\r\n242.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(4) 0.787<\/td>\r\n(4) 20<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-81<\/td>\r\n98<\/td>\r\n45<\/td>\r\n4.6<\/td>\r\n116<\/td>\r\n11.0<\/td>\r\n279<\/td>\r\n3.50<\/td>\r\n88.9<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n9.6<\/td>\r\n245.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(4) 0.787<\/td>\r\n(4) 20<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-100<\/td>\r\n96<\/td>\r\n44<\/td>\r\n4.8<\/td>\r\n121<\/td>\r\n7.1<\/td>\r\n180<\/td>\r\n3.78<\/td>\r\n96.0<\/td>\r\n2.5<\/td>\r\n63.5<\/td>\r\n9.4<\/td>\r\n240.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(4) 0.787<\/td>\r\n(4) 20<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-130S<\/td>\r\n109<\/td>\r\n49<\/td>\r\n5.1<\/td>\r\n130<\/td>\r\n7.1<\/td>\r\n180<\/td>\r\n4.00<\/td>\r\n102.0<\/td>\r\n2.9<\/td>\r\n73.0<\/td>\r\n9.8<\/td>\r\n250.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(6) 0.807<\/td>\r\n(6) 21<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-130L<\/td>\r\n120<\/td>\r\n54<\/td>\r\n5.1<\/td>\r\n130<\/td>\r\n7.1<\/td>\r\n180<\/td>\r\n7.20<\/td>\r\n184.0<\/td>\r\n3.8<\/td>\r\n96.0<\/td>\r\n9.8<\/td>\r\n250.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(6) 0.807<\/td>\r\n(6) 21<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-145<\/td>\r\n110<\/td>\r\n50<\/td>\r\n5.6<\/td>\r\n142<\/td>\r\n8.9<\/td>\r\n225<\/td>\r\n8.05<\/td>\r\n204.5<\/td>\r\n3.8<\/td>\r\n96.0<\/td>\r\n10.2<\/td>\r\n260.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(6) 0.807<\/td>\r\n(6) 21<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-150L<\/td>\r\n145<\/td>\r\n66<\/td>\r\n5.1<\/td>\r\n130<\/td>\r\n11.0<\/td>\r\n280<\/td>\r\n7.20<\/td>\r\n184.0<\/td>\r\n3.8<\/td>\r\n96.0<\/td>\r\n9.8<\/td>\r\n250.0<\/td>\r\n8.0<\/td>\r\n203.2<\/td>\r\n(6) 0.807<\/td>\r\n(6) 21<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n
RC-200<\/td>\r\n220<\/td>\r\n100<\/td>\r\n6.4<\/td>\r\n162<\/td>\r\n9.5<\/td>\r\n241<\/td>\r\n8.00<\/td>\r\n203.0<\/td>\r\n5.3<\/td>\r\n135.0<\/td>\r\n11.8<\/td>\r\n300.0<\/td>\r\n10<\/td>\r\n254.0<\/td>\r\n(6) 0.905<\/td>\r\n(6) 23<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n-<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n

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