{"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\/fr\/produit\/rc-100-rotary-cutter-gearbox-replacement-for-omni-rc-100-gearbox\/","title":{"rendered":"Bo\u00eete de vitesses de remplacement pour broyeur rotatif RC-100 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

\"Bo\u00eete<\/p>\n

Sp\u00e9cifications du produit<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
Mod\u00e8le:<\/td>\nBo\u00eete de vitesses RC-100<\/td>\n<\/tr>\n
Couple :<\/td>\n6 183 \u2013 16 800 lb-po
\n(698 \u2013 1 898 Nm.)<\/td>\n<\/tr>\n
Proportions :<\/td>\n1.21:1, 1:1:, 1:1.21, 1:1.46, 1:1.92<\/td>\n<\/tr>\n
Type d'\u00e9quipement :<\/td>\nBiseau<\/td>\n<\/tr>\n
Type de joint :<\/td>\nTriple l\u00e8vre \u00e0 ressort<\/td>\n<\/tr>\n
Type de roulement :<\/td>\nTapered Roller<\/td>\n<\/tr>\n
Capacit\u00e9 en huile :<\/td>\n62 oz.
\n(1,8 L)<\/td>\n<\/tr>\n
Poids:<\/td>\n89 lbs.
\n(40.37 kg)<\/td>\n<\/tr>\n
Applications :<\/td>\nTondeuses de finition
\nCoupeurs rotatifs
\nBroyeurs rotatifs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

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

\"Dimensions<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Mod\u00e8le<\/th>\nPoids maximal de l'unit\u00e9<\/th>\nCL \u00e0 travers Cap A<\/th>\nCL \u00e0 bride B<\/th>\nBride \u00e0 moyeu pilote C<\/th>\nDiam\u00e8tre pilote du moyeu H<\/th>\nDiam\u00e8tre de la bride D1<\/th>\nConfiguration des trous de boulons E1<\/th>\nTrous de fixation F1<\/th>\nBride carr\u00e9e taille D2<\/th>\nEntraxe des trous de fixation E2<\/th>\nTrous de fixation F2<\/th>\n<\/tr>\n
kg<\/th>\nkg<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/th>\nmm<\/th>\ndans<\/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. Prise de force du tracteur \u00e0 entra\u00eenement direct
\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. Adaptabilit\u00e9 tout terrain
\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
\nAvec cinq rapports de transmission disponibles (1,21:1, 1:1, 1:1,21, 1:1,46 et 1:1,92), les op\u00e9rateurs ma\u00eetrisent parfaitement l'\u00e9quilibre entre la vitesse de la lame et le couple de coupe. Cette flexibilit\u00e9 permet \u00e0 une seule bo\u00eete de vitesses de s'adapter aussi bien aux travaux de finition l\u00e9gers \u00e0 haut r\u00e9gime qu'aux travaux intensifs de d\u00e9broussaillage \u00e0 bas r\u00e9gime et couple maximal. Le choix du rapport de transmission adapt\u00e9 est crucial pour optimiser l'utilisation de la d\u00e9broussailleuse rotative en fonction de la puissance de la prise de force du tracteur et de la densit\u00e9 de la v\u00e9g\u00e9tation. Les cinq options de la RC-100 couvrent l'ensemble des besoins des professionnels de l'agriculture.<\/p>\n

\"Bo\u00eete<\/p>\n

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

Le r\u00e9ducteur de la faucheuse rotative est le c\u0153ur m\u00e9canique de tout outil de fauchage ou de coupe entra\u00een\u00e9 par la prise de force. La RC-100 tire sa puissance de la prise de force du tracteur, qui tourne \u00e0 540 ou 1\u00a0000 tr\/min. Cette \u00e9nergie de rotation est transmise par une transmission robuste \u00e0 l'arbre d'entr\u00e9e du r\u00e9ducteur\u00a0: un arbre en acier alli\u00e9 c\u00e9ment\u00e9, usin\u00e9 avec un profil cannel\u00e9 standard compatible avec la plupart des tracteurs, toutes marques et tailles confondues.<\/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

\"Applications<\/p>\n

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

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

La large plage de couple du RC-100 le rend id\u00e9al pour entra\u00eener des lames rotatives destin\u00e9es \u00e0 la coupe des gramin\u00e9es fourrag\u00e8res, de la paille de c\u00e9r\u00e9ales et des cultures de couverture comme les tiges de ma\u00efs apr\u00e8s la r\u00e9colte. La vitesse de rotation de la lame est r\u00e9gl\u00e9e par s\u00e9lection du rapport de transmission afin de produire un paillis grossier pour le retour au champ ou des particules plus fines pour l'alimentation animale. C'est l'utilisation la plus courante du RC-100 dans les exploitations c\u00e9r\u00e9ali\u00e8res d'Am\u00e9rique du Nord et d'Australie, o\u00f9 un r\u00e9ducteur de broyeur rotatif fiable doit supporter des charges de coupe quotidiennes variables sans interruption.<\/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. Gestion des rangs de vergers et de vignes<\/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

Les entreprises d'entretien des routes et des autoroutes utilisent les r\u00e9ducteurs de la s\u00e9rie RC sur des broyeurs rotatifs d\u00e9port\u00e9s mont\u00e9s sur tracteur pour la gestion des herbes et des mauvaises herbes le long des routes, des foss\u00e9s de drainage et des emprises de r\u00e9seaux. Le carter robuste en fonte ductile et le syst\u00e8me d'\u00e9tanch\u00e9it\u00e9 multicouche du RC-100 r\u00e9sistent \u00e0 une exposition intensive aux d\u00e9bris, notamment aux roches, au gravier et aux racines denses, permettant ainsi d'espacer les interventions et de r\u00e9duire les co\u00fbts d'exploitation des programmes de fauchage \u00e0 haut volume en bordure de route.<\/p>\n<\/div>\n

\n

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

Les rizi\u00e8res, les berges des canaux d'irrigation et les digues de protection contre les inondations n\u00e9cessitent un entretien r\u00e9gulier de la v\u00e9g\u00e9tation afin de pr\u00e9venir l'affouillement des structures et de maintenir la fluidit\u00e9 de l'\u00e9coulement de l'eau. Gr\u00e2ce \u00e0 son montage adaptatif au terrain et \u00e0 son joint d'\u00e9tanch\u00e9it\u00e9 robuste \u00e0 triple l\u00e8vre, le RC-100 est id\u00e9al pour une utilisation avec un tracteur amphibie dans des environnements \u00e0 forte humidit\u00e9 o\u00f9 les bo\u00eetes de vitesses classiques subissent une corrosion acc\u00e9l\u00e9r\u00e9e et des d\u00e9faillances d'\u00e9tanch\u00e9it\u00e9. Cette application est courante en Asie du Sud-Est, sur la c\u00f4te du Golfe du Mexique aux \u00c9tats-Unis et dans les r\u00e9gions agricoles de la plaine du P\u00f4, en Italie du Nord.<\/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

\"Bo\u00eete<\/p>\n

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

1. Carter de bo\u00eete de vitesses
\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. Engrenages coniques
\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. Arbre d'entr\u00e9e
\nUn arbre en acier alli\u00e9 c\u00e9ment\u00e9, usin\u00e9 avec un profil cannel\u00e9 standard compatible avec la prise de force, se connecte \u00e0 la transmission du tracteur et transmet la puissance de rotation au train d'engrenages coniques. L'engr\u00e8nement cannel\u00e9 permet \u00e0 l'accouplement de coulisser librement au repos et de se verrouiller solidement sous l'effet du couple, compensant ainsi les l\u00e9gers d\u00e9fauts d'alignement qui surviennent lorsque l'outil suit les contours du terrain. Les configurations standard \u00e0 six cannelures de 1-3\/8\u2033 et 1-3\/4\u2033 garantissent une large compatibilit\u00e9 avec toutes les grandes marques mondiales de tracteurs et de syst\u00e8mes d'entra\u00eenement d'outils.<\/p>\n

4. Arbre de sortie
\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
\nTrois joints \u00e0 l\u00e8vres redondants sont install\u00e9s autour de chaque sortie d'arbre rotatif\u00a0: les deux l\u00e8vres int\u00e9rieures retiennent l'huile d'engrenage dans le carter\u00a0; la l\u00e8vre ext\u00e9rieure emp\u00eache la p\u00e9n\u00e9tration de poussi\u00e8re, de fibres v\u00e9g\u00e9tales, d'eau et de boue. Un ressort de rappel derri\u00e8re chaque l\u00e8vre assure une pression de contact constante sur la surface de l'arbre, m\u00eame lorsque le joint s'use. L'usure des joints de bo\u00eete de vitesses des faucheuses rotatives est l'une des causes les plus fr\u00e9quentes de d\u00e9faillance pr\u00e9matur\u00e9e des roulements. La conception \u00e0 triple l\u00e8vre du RC-100 prolonge consid\u00e9rablement la dur\u00e9e de vie des joints par rapport aux mod\u00e8les \u00e0 simple l\u00e8vre, g\u00e9n\u00e9ralement mont\u00e9s sur des unit\u00e9s moins co\u00fbteuses.<\/p>\n

7. Syst\u00e8me de lubrification par bain d'huile
\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 bo\u00eete de vitesses pour coupeuse rotative<\/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>
\nAvant le montage, v\u00e9rifiez l'entraxe des boulons de la bride du RC-100\u00a0: quatre trous de 20\u00a0mm (0,787\u00a0po) sur un cercle de boulonnage de 203,2\u00a0mm (8\u00a0po) et un diam\u00e8tre de centrage du moyeu de 63,5\u00a0mm (2,5\u00a0po). Assurez-vous que la cannelure de l'arbre d'entr\u00e9e correspond \u00e0 celle de votre accouplement de prise de force. Contr\u00f4lez le niveau d'huile de la nouvelle bo\u00eete de vitesses et faites l'appoint avec l'huile pour engrenages pr\u00e9conis\u00e9e par le fabricant, jusqu'\u00e0 1,8\u00a0L (62\u00a0oz), si n\u00e9cessaire. Ne mettez pas l'appareil en marche avant d'avoir v\u00e9rifi\u00e9 le niveau d'huile afin d'\u00e9viter d'endommager les roulements lors du rodage.<\/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>
\nSoulevez le RC-100 et mettez-le en position \u00e0 l'aide d'une sangle de levage ou avec l'aide d'une autre personne. Engagez le diam\u00e8tre de guidage du moyeu (63,5 mm) dans l'al\u00e9sage de guidage du plateau de coupe pour un centrage automatique avant le serrage des boulons. Vissez manuellement les quatre boulons de fixation avant de les serrer afin de garantir un appui plat et sans jeu sur la bride. Serrez les quatre boulons au couple sp\u00e9cifi\u00e9 dans le manuel du fabricant de votre plateau de coupe (g\u00e9n\u00e9ralement de 108 \u00e0 163 Nm pour les boulons de ce type de bride), en suivant un sch\u00e9ma en croix diagonale pour appliquer une force de serrage uniforme sur toute la surface de la bride.<\/p>\n

5. Connect the PTO Driveline<\/strong>
\nGlissez le joug d'entr\u00e9e de la prise de force sur la cannelure de l'arbre d'entr\u00e9e du RC-100 en appuyant fermement jusqu'\u00e0 ce que la bague de d\u00e9verrouillage rapide s'enclenche correctement dans la gorge de l'arbre. Tirez la prise de force vers l'ext\u00e9rieur pour v\u00e9rifier l'enclenchement de la bague\u00a0; si elle se d\u00e9tache sans que vous appuyiez sur le bouton de d\u00e9verrouillage, r\u00e9enclenchez-la jusqu'\u00e0 entendre un clic net. Avant toute utilisation, assurez-vous que le carter de protection de la prise de force recouvre enti\u00e8rement l'arbre et les joints de cardan expos\u00e9s, et que la cha\u00eene anti-rotation du carter est fix\u00e9e \u00e0 un point fixe du ch\u00e2ssis de l'outil.<\/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

\"Applications<\/p>\n

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

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

Cause:<\/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

Cause:<\/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

Cause:<\/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

Cause:<\/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

Cause:<\/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

Cause:<\/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

Cause:<\/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

Cause:<\/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

\"Pi\u00e8ces<\/p>\n

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

Le r\u00e9ducteur de la faucheuse rotative et l'arbre de prise de force (PDF) constituent ensemble le syst\u00e8me complet de transmission de puissance m\u00e9canique. Ce syst\u00e8me transforme la puissance du moteur du tracteur en un couple \u00e9lev\u00e9, n\u00e9cessaire \u00e0 l'entra\u00eenement des lames de coupe \u00e0 travers la v\u00e9g\u00e9tation agricole dense. La PDF du tracteur est l'interface standardis\u00e9e permettant de mettre la puissance du moteur \u00e0 la disposition des outils entra\u00een\u00e9s. Sur la quasi-totalit\u00e9 des tracteurs agricoles, l'arbre de sortie de la PDF tourne \u00e0 540 ou 1\u00a0000 tr\/min, deux normes internationales \u00e9tablies (ISO 500) avec des profils de cannelures correspondants\u00a0: 1-3\/8\u2033 \u00e0 6 cannelures pour 540 tr\/min et 1-3\/4\u2033 \u00e0 6 cannelures pour 1\u00a0000 tr\/min. Ces normes garantissent l'interchangeabilit\u00e9 entre les tracteurs et les outils de diff\u00e9rentes marques \u00e0 travers le monde. L'arbre de PDF peut fournir une puissance m\u00e9canique importante\u00a0: un tracteur \u00e9quip\u00e9 d'un moteur de 100 ch peut transmettre plus de 80 ch via sa PDF dans des conditions nominales. Cette puissance doit \u00eatre int\u00e9gralement transmise de mani\u00e8re s\u00fbre et efficace \u00e0 la bo\u00eete de vitesses de l'outil par la transmission.<\/p>\n

La transmission, un ensemble d'arbres t\u00e9lescopiques munis de joints de cardan \u00e0 chaque extr\u00e9mit\u00e9, assure la liaison entre l'arbre de prise de force fixe du tracteur et l'arbre d'entr\u00e9e mobile de la bo\u00eete de vitesses de l'outil, en compensant la distance et l'angle variables. Lorsque l'outil suit les irr\u00e9gularit\u00e9s du terrain ou lorsque le tracteur tourne, la transmission se d\u00e9ploie et les joints de cardan fl\u00e9chissent pour maintenir une transmission de puissance continue, sans blocage ni vibration. La capacit\u00e9 de puissance de la transmission doit \u00eatre parfaitement adapt\u00e9e \u00e0 la fois \u00e0 la puissance de sortie de la prise de force du tracteur et au couple d'entr\u00e9e nominal de la bo\u00eete de vitesses\u00a0; une transmission sous-dimensionn\u00e9e peut subir une rupture catastrophique sous l'effet des chocs g\u00e9n\u00e9r\u00e9s par l'impact de la lame contre des obstacles.<\/p>\n

Le r\u00e9ducteur de la d\u00e9broussailleuse rotative RC-100 re\u00e7oit l'entr\u00e9e de la transmission en haut du carter via l'arbre d'entr\u00e9e cannel\u00e9. C'est l\u00e0 que s'effectue la transformation de puissance\u00a0: le train d'engrenages coniques \u00e0 l'int\u00e9rieur du carter redirige l'axe de rotation de l'horizontal (plan d'entr\u00e9e de la prise de force) \u00e0 la verticale (plan de sortie de la lame) et multiplie simultan\u00e9ment le couple tout en r\u00e9duisant la vitesse selon le rapport de transmission s\u00e9lectionn\u00e9. Les cinq rapports disponibles sur la RC-100, 1,21:1, 1:1, 1:1,21, 1:1,46 et 1:1,92, permettent une adaptation pr\u00e9cise de la vitesse de la lame \u00e0 la vitesse d'entr\u00e9e de la prise de force pour diff\u00e9rentes applications de coupe. Le rapport 1:1,92 est id\u00e9al pour les travaux de finition des tondeuses, o\u00f9 la vitesse maximale de la lame produit une coupe nette et pr\u00e9cise sur le gazon. Le rapport 1,21:1 privil\u00e9gie le couple de sortie maximal pour le d\u00e9broussaillage intensif \u00e0 vitesse de lame contr\u00f4l\u00e9e dans les v\u00e9g\u00e9taux denses.<\/p>\n

\u00c0 la base du carter du RC-100, l'arbre de sortie transmet la puissance transform\u00e9e directement au bloc de coupe. Lorsqu'une lame heurte une pierre, une souche ou tout autre obstacle, le pic de couple r\u00e9sultant est transmis par le moyeu de la lame, l'arbre de sortie, puis le train d'engrenages, et enfin l'arbre d'entr\u00e9e. La transmission du RC-100, compos\u00e9e d'engrenages en acier alli\u00e9 forg\u00e9, de roulements \u00e0 rouleaux coniques et d'un embrayage de surcharge (en option), est con\u00e7ue pour absorber, rediriger ou \u00e9vacuer en toute s\u00e9curit\u00e9 cette \u00e9nergie de choc avant qu'elle ne provoque des dommages internes irr\u00e9versibles \u00e0 un composant du syst\u00e8me d'entra\u00eenement.<\/p>\n

C\u2019est pr\u00e9cis\u00e9ment pourquoi il est crucial d\u2019adapter le couple nominal de la bo\u00eete de vitesses \u00e0 la puissance de prise de force r\u00e9elle du tracteur. Une bo\u00eete de vitesses sous-dimensionn\u00e9e pour une faucheuse rotative subira des surcharges r\u00e9p\u00e9t\u00e9es qui fatigueront les dents d\u2019engrenage et les roulements, entra\u00eenant une d\u00e9faillance pr\u00e9matur\u00e9e, quelle que soit la qualit\u00e9 nominale de la bo\u00eete de vitesses. La plage de couple de la RC-100, de 6\u00a0183 \u00e0 16\u00a0800 lb-po, couvre une large plage d\u2019utilisation, convenant aux tracteurs d\u2019environ 40 ch pour les travaux de finition l\u00e9gers \u00e0 100 ch pour le d\u00e9broussaillage et l\u2019entretien intensif des p\u00e2turages. C\u2019est pourquoi la RC-100 est devenue une bo\u00eete de vitesses de remplacement largement reconnue pour les faucheuses rotatives sur les march\u00e9s agricoles du monde entier, o\u00f9 un seul mod\u00e8le fiable doit r\u00e9pondre \u00e0 des exigences op\u00e9rationnelles diverses.<\/p>\n\n\n\n
\"Bo\u00eete<\/td>\n\"Arbre<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Pourquoi choisir les r\u00e9ducteurs pour fraises rotatives de 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

La gamme de produits CMN Transmission couvre l'ensemble des besoins en transmission de puissance pour le secteur agricole\u00a0: r\u00e9ducteurs pour broyeurs rotatifs, fraises rotatives, m\u00e9langeuses d'aliments, faucheuses rotatives, \u00e9pandeurs d'engrais, broyeurs \u00e0 fl\u00e9aux, tari\u00e8res, presses \u00e0 balles rondes et carr\u00e9es, faucheuses \u00e0 disques, syst\u00e8mes d'irrigation \u00e0 pivot central, transmissions hydrauliques, ensileuses, pulv\u00e9risateurs pour vergers, andaineurs rotatifs, moissonneuses-batteuses, silos et transports de c\u00e9r\u00e9ales, cueilleuses \u00e0 ma\u00efs, barres de coupe et distributeurs d'aliments pour volailles. Avec pr\u00e8s de mille sp\u00e9cifications couvertes, CMN se positionne comme fournisseur unique pour l'ensemble des machines agricoles, simplifiant et r\u00e9duisant les co\u00fbts d'approvisionnement pour les grands constructeurs (OEM) op\u00e9rant sur plusieurs gammes de produits.<\/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

\"Fabricants<\/p>\n

Foire aux questions<\/h2>\n

Q: Is the RC-100 a direct replacement for the Omni RC-100 gearbox?<\/strong>
\nR : Oui. Le r\u00e9ducteur de remplacement pour broyeur rotatif CMN Transmission RC-100 est con\u00e7u pour correspondre exactement aux dimensions de montage critiques de l'Omni RC-100\u00a0: quatre trous de fixation de 203,2\u00a0mm (0,787\u00a0po) de diam\u00e8tre sur un cercle de boulonnage de 203,2\u00a0mm (8\u00a0po), un diam\u00e8tre de centrage du moyeu de 63,5\u00a0mm (2,5\u00a0po) et une distance entre l'axe et la bride de 180\u00a0mm (7,1\u00a0po). Ces dimensions permettent une installation directe sur toute machine construite autour de l'Omni RC-100. Mesurez toujours la bride de votre plateau de coupe existant avant de commander et contactez notre \u00e9quipe technique pour toute confirmation concernant une application dont vous avez des doutes avant l'achat.<\/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 : La plage de couple du RC-100, de 6\u00a0183 \u00e0 16\u00a0800 lb-po (698 \u00e0 1\u00a0898 Nm), couvre une large plage d'utilisation. \u00c0 bas r\u00e9gime, il convient aux tracteurs d'environ 40 \u00e0 60 ch pour des travaux de coupe l\u00e9gers, comme la tonte de finition ou la coupe de gazon. \u00c0 son couple maximal, il est adapt\u00e9 aux tracteurs jusqu'\u00e0 environ 100 ch pour le d\u00e9broussaillage intensif, l'entretien des bords de route et la r\u00e9novation des p\u00e2turages. Cette polyvalence fait du RC-100 l'un des r\u00e9ducteurs les plus performants de sa cat\u00e9gorie (100 ch), capable de s'adapter aux travaux l\u00e9gers comme aux travaux intensifs gr\u00e2ce \u00e0 un choix judicieux du rapport de transmission, en fonction de la puissance et du type de v\u00e9g\u00e9tation.<\/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

\"Bo\u00eete<\/p>\n

Avis clients<\/h2>\n

James, Farm Equipment Dealer, United States<\/strong>
\nNous avons command\u00e9 huit r\u00e9ducteurs RC-100 pour notre service apr\u00e8s-vente et en avons d\u00e9j\u00e0 install\u00e9 cinq sur les machines de nos clients qui utilisaient des r\u00e9ducteurs Omni RC-100. L'installation a \u00e9t\u00e9 directe et sans aucune modification\u00a0: l'entraxe des boulons de la bride, le diam\u00e8tre du moyeu et l'axe de la bride correspondaient parfaitement. L'un de nos clients travaillait dans un p\u00e2turage extr\u00eamement rocailleux o\u00f9 les r\u00e9ducteurs s'usaient pr\u00e9matur\u00e9ment chaque saison. Le r\u00e9ducteur CMN fonctionne depuis 14\u00a0mois sans aucun probl\u00e8me et l'agriculteur confirme qu'il est plus silencieux que le r\u00e9ducteur d'origine. Nous allons d\u00e9sormais les stocker en permanence. L'\u00e9quipe du service apr\u00e8s-vente de CMN a \u00e9t\u00e9 tr\u00e8s r\u00e9active \u00e0 notre demande de prix d\u00e9gressifs, r\u00e9pondant le jour m\u00eame, ce qui est remarquable pour un nouveau fournisseur.<\/p>\n

Marco, Grass Cutting, Italy<\/strong>
\nNous avons command\u00e9 12 unit\u00e9s RC-100, principalement pour la tonte des vergers et le d\u00e9broussaillage des bords de route dans le cadre de contrats municipaux dans le nord de l'Italie. L'emballage \u00e9tait impeccable et la livraison depuis la Cor\u00e9e a \u00e9t\u00e9 effectu\u00e9e en 18 jours, plus rapidement que pr\u00e9vu compte tenu du volume. Le rapport de coupe de 1:1,46 est parfaitement adapt\u00e9 \u00e0 notre utilisation en verger avec des tracteurs de 70 CV. Une unit\u00e9 pr\u00e9sentait une l\u00e9g\u00e8re fuite au niveau d'un joint \u00e0 la r\u00e9ception\u00a0; CMN nous a imm\u00e9diatement envoy\u00e9 des joints de rechange par transport express, sans frais, et le probl\u00e8me a \u00e9t\u00e9 r\u00e9solu en 3 jours. Ce type de service apr\u00e8s-vente est essentiel pour nos clients qui ne peuvent se permettre une immobilisation prolong\u00e9e de leurs machines. Nous passerons une nouvelle commande au premier trimestre de la saison prochaine.<\/p>\n

Thomas, Pasture Management, Australia<\/strong>
\n\u00ab\u00a0J'utilise trois broyeurs rotatifs mont\u00e9s sur tracteur pour le d\u00e9broussaillage des bords de route et des p\u00e2turages dans le Queensland. C'est un travail difficile, dans des conditions rocailleuses et arides qui mettent les bo\u00eetes de vitesses \u00e0 rude \u00e9preuve. J'ai install\u00e9 le RC-100 sur ma plus grosse machine, un John Deere de 95 ch, il y a environ 11 mois. J'ai effectu\u00e9 pr\u00e8s de 600 heures de fonctionnement, y compris un d\u00e9broussaillage intensif de lantana o\u00f9 les lames heurtaient constamment des rochers et des tiges ligneuses denses. La bo\u00eete de vitesses n'a pas failli. Le niveau d'huile reste constant, il n'y a aucune fuite de joint et elle est toujours silencieuse. Les joints \u00e0 triple l\u00e8vre emp\u00eachent manifestement la terre rouge de p\u00e9n\u00e9trer. Le prix final \u00e9tait environ 351\u00a0000\u00a0\u20b9 inf\u00e9rieur \u00e0 celui d'un remplacement achet\u00e9 localement chez un concessionnaire. La logistique s'est bien d\u00e9roul\u00e9e et le d\u00e9douanement en Australie a \u00e9t\u00e9 rapide, tous les documents \u00e9tant en r\u00e8gle. Je rach\u00e8terai ce produit sans h\u00e9siter.\u00a0\u00bb<\/p>\n

Pierre, Pasture Management, France<\/strong>
\nNous avons acquis six unit\u00e9s RC-100 pour le parc de machines partag\u00e9 de notre coop\u00e9rative, couvrant environ 800 hectares de p\u00e2turages mixtes pour la tonte de finition et le d\u00e9broussaillage. L'installation sur nos plateaux de coupe Kuhn a \u00e9t\u00e9 simple et rapide\u00a0; les dimensions correspondent parfaitement. Nous sommes tr\u00e8s satisfaits de la qualit\u00e9 de fabrication\u00a0: le carter en fonte ductile est robuste et les joints sont manifestement de haute qualit\u00e9. Je n'attribue que quatre \u00e9toiles au lieu de cinq car la livraison initiale a pris un peu plus de temps que pr\u00e9vu. La communication avec CMN a \u00e9t\u00e9 excellente tout au long du processus, avec des mises \u00e0 jour r\u00e9guli\u00e8res. Apr\u00e8s une saison de tonte compl\u00e8te, les bo\u00eetes de vitesses fonctionnent parfaitement. Nous passerons une nouvelle commande pour le r\u00e9approvisionnement de la saison prochaine.<\/p>\n

Carlos, Farmland Stubble Treatment, Brazil<\/strong>
\n\u00ab Le Br\u00e9sil repr\u00e9sente un march\u00e9 tr\u00e8s important pour les r\u00e9ducteurs de broyeurs rotatifs, notamment dans les r\u00e9gions de culture de la canne \u00e0 sucre, du soja et d'\u00e9levage bovin. Le RC-100 est notre produit le plus vendu en volume. Je distribue les produits CMN Transmission depuis deux ans et j'en ai vendu environ 80 unit\u00e9s \u00e0 ce jour. Seuls deux cas de prise en charge sous garantie ont \u00e9t\u00e9 rapidement r\u00e9solus par CMN, gratuitement et sans aucune discussion. L'emballage est excellent\u00a0: aucun dommage n'a \u00e9t\u00e9 constat\u00e9 lors des exp\u00e9ditions, malgr\u00e9 la longue travers\u00e9e maritime. Mes clients appr\u00e9cient particuli\u00e8rement la facilit\u00e9 d'acc\u00e8s pour l'entretien de l'huile\u00a0; ils peuvent v\u00e9rifier et changer l'huile du r\u00e9ducteur du broyeur rotatif directement sur le terrain, sans outils sp\u00e9cifiques. Cet avantage pratique est crucial pour les grandes exploitations qui utilisent de nombreuses machines pendant de longues saisons, avec un acc\u00e8s limit\u00e9 \u00e0 un atelier sur site. \u00bb<\/p>\n

David, Straw Crushing, Canada<\/strong>
\nJe g\u00e8re une flotte de 9 tracteurs \u00e9quip\u00e9s de broyeurs rotatifs pour une importante exploitation c\u00e9r\u00e9ali\u00e8re en Ontario et j'ai remplac\u00e9 les bo\u00eetes de vitesses par des mod\u00e8les CMN RC-100 au cours des 18 derniers mois. J'ai \u00e9t\u00e9 tr\u00e8s impressionn\u00e9 par la rapidit\u00e9 de la livraison\u00a0: le d\u00e9douanement canadien a \u00e9t\u00e9 effectu\u00e9 en 4 jours, soit un total de 22 jours entre la commande et la r\u00e9ception. Les roulements \u00e0 rouleaux coniques sont nettement sup\u00e9rieurs \u00e0 ceux de certaines bo\u00eetes de rechange moins ch\u00e8res que j'ai pu tester chez d'autres fournisseurs, qui utilisaient des roulements \u00e0 billes pour la m\u00eame application. La RC-100 supporte la charge avec plus de fluidit\u00e9 et chauffe moins. J'avais une question concernant les sp\u00e9cifications d'huile appropri\u00e9es pour nos conditions hivernales rigoureuses et l'\u00e9quipe technique m'a r\u00e9pondu par \u00e9crit en quelques heures seulement, avec une recommandation d\u00e9taill\u00e9e. Ce type d'assistance est essentiel lorsqu'on g\u00e8re une flotte importante.<\/p>\n

Alejandro, Gestion des p\u00e2turages, Argentine<\/strong>
\nJ'ai achet\u00e9 quatre r\u00e9ducteurs RC-100 pour mes faucheuses rotatives dans la province de Cordoba. Nous les utilisons intensivement sur des p\u00e2turages tr\u00e8s secs et poussi\u00e9reux, extr\u00eamement abrasifs pour les joints et les roulements. Apr\u00e8s huit mois d'utilisation, les quatre r\u00e9ducteurs fonctionnent toujours parfaitement, sans la moindre fuite d'huile\u00a0; la conception \u00e0 triple joint fonctionne exactement comme annonc\u00e9. Un de mes voisins avait des r\u00e9ducteurs de remplacement bon march\u00e9 d'un autre fournisseur qui n'ont tenu qu'une saison\u00a0: les deux joints ont l\u00e2ch\u00e9 et les roulements ont \u00e9t\u00e9 d\u00e9truits. Mes r\u00e9ducteurs RC-100 sont manifestement plus robustes et con\u00e7us pour un usage intensif et prolong\u00e9. Le rapport de 1:1,46 que j'ai choisi en suivant les conseils de CMN fonctionne parfaitement avec mon tracteur de 85\u00a0ch sur des terrains vari\u00e9s. Un excellent r\u00e9ducteur agricole \u00e0 un prix imbattable compte tenu de sa qualit\u00e9.<\/p>\n

Ramesh, Gestion de la paille, Inde<\/strong>
\nLe march\u00e9 indien pr\u00e9sente une tr\u00e8s forte demande en r\u00e9ducteurs pour broyeurs rotatifs destin\u00e9s \u00e0 la gestion de la paille de riz et au broyage des r\u00e9sidus de canne \u00e0 sucre apr\u00e8s la r\u00e9colte. La plage de couple du RC-100, notamment sa limite sup\u00e9rieure de 16\u00a0800 lb-po, est indispensable pour traiter les importantes charges fibreuses des r\u00e9sidus de canne \u00e0 sucre, qui soumettent les r\u00e9ducteurs \u00e0 des contraintes consid\u00e9rables. Nous importons ces broyeurs depuis un an et sommes tr\u00e8s satisfaits de leur durabilit\u00e9. Lors d'une livraison de 15 unit\u00e9s, deux d'entre elles pr\u00e9sentaient de l\u00e9gers dommages \u00e0 la peinture ext\u00e9rieure dus au transport. CMN a imm\u00e9diatement \u00e9mis un avoir sans exiger le retour des unit\u00e9s. Ce professionnalisme instaure la confiance n\u00e9cessaire \u00e0 une relation de confiance durable avec notre fournisseur, et nous recommandons CMN aux autres importateurs de notre r\u00e9seau.<\/p>\n

Kevin, propri\u00e9taire et exploitant agricole, \u00c9tats-Unis<\/strong>
\n\u00ab\u00a0Je g\u00e8re une exploitation mixte de 240 hectares dans le Missouri et la bo\u00eete de vitesses d'origine Omni RC-100 de ma d\u00e9broussailleuse a rendu l'\u00e2me apr\u00e8s de nombreuses ann\u00e9es de bons et loyaux services. J'ai trouv\u00e9 CMN Transmission en ligne et j'ai command\u00e9 la pi\u00e8ce de rechange. Elle est arriv\u00e9e en 16 jours, bien emball\u00e9e et sans aucun dommage d\u00fb au transport. Je l'ai install\u00e9e moi-m\u00eame en une heure environ\u00a0; c'est tr\u00e8s simple si vous avez d\u00e9j\u00e0 chang\u00e9 une bo\u00eete de vitesses. Je tonds depuis avec mon tracteur de 90\u00a0ch tout type de v\u00e9g\u00e9tation, de la f\u00e9tuque fine aux ronces et aux herbes hautes comme le chiendent. La bo\u00eete de vitesses ne chauffe m\u00eame pas apr\u00e8s une journ\u00e9e compl\u00e8te de tonte, ce qui me confirme que la lubrification et la qualit\u00e9 des roulements sont optimales. Le niveau d'huile n'a pas baiss\u00e9 du tout en 6\u00a0mois d'utilisation intensive. Un produit tr\u00e8s fiable pour son prix. Je n'h\u00e9siterai pas \u00e0 en recommander lorsque d'autres d\u00e9broussailleuses auront besoin de bo\u00eetes de vitesses de rechange.\u00a0\u00bb<\/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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