{"id":972,"date":"2026-05-28T09:06:53","date_gmt":"2026-05-28T09:06:53","guid":{"rendered":"https:\/\/ever-powers.com\/?post_type=product&p=972"},"modified":"2026-05-28T09:19:39","modified_gmt":"2026-05-28T09:19:39","slug":"rc-61-rotary-cutter-gearbox","status":"publish","type":"product","link":"https:\/\/ever-powers.com\/zh\/product\/rc-61-rotary-cutter-gearbox\/","title":{"rendered":"EP-RC-61 Rotary Cutter Gearbox Replacement for Heavy-Duty PTO Mowers"},"content":{"rendered":"
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Heavy-Duty Rotary Cutter Gearboxes | High-Performance RC-61 Replacement<\/h2>\n

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Robust Agricultural Power Transmission<\/h3>\n

The RC-61 Rotary Cutter Gearbox<\/strong> serves as a premium mechanical replacement engineered for demanding land-clearing and agricultural operations. Designed as a direct substitute for the Omni RC-61, this high-strength Rotary Mower Gearbox<\/strong> is built to handle the rigorous shock loads of crop management, pasture maintenance, and heavy-duty brush clearing. By integrating advanced bevel gearing with high-torque capacity, it ensures seamless power transition from your tractor’s PTO shaft to the cutting blades.<\/p>\n<\/div>\n

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Technical Specifications & Dimensional Parameters<\/h2>\n

Ensure precise equipment compatibility by reviewing the verified physical dimensions and mechanical thresholds of our EPT-RC61 model listed below.<\/p>\n

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Mechanical Performance<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
Specification Parameter<\/th>\nPerformance Value<\/th>\n<\/tr>\n<\/thead>\n
Model Compatibility<\/td>\nEPT-RC61 (Omni RC-61 Direct Interchange)<\/td>\n<\/tr>\n
Torque Rating<\/td>\n4,803 – 9,683 lb.-in. (461 – 1,094 Nm)<\/td>\n<\/tr>\n
Available Gear Ratios<\/td>\n1.21:1, 1:1, 1:1.21, 1:1.46, 1:1.93<\/td>\n<\/tr>\n
Internal Gear Configuration<\/td>\nHigh-Grade Forged Bevel Gearing<\/td>\n<\/tr>\n
Internal Bearings<\/td>\nPremium Tapered Roller Bearings<\/td>\n<\/tr>\n
Oil Reservoir Capacity<\/td>\n32 oz. (0.95 Liters)<\/td>\n<\/tr>\n
Net Assembly Weight<\/td>\n81 lbs (36.7 kg)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

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Physical Dimensions<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
Dimension Indicator<\/th>\nInches (in)<\/th>\nMillimeters (mm)<\/th>\n<\/tr>\n<\/thead>\n
CL to Thru Cap (A)<\/td>\n4.2″<\/td>\n107 mm<\/td>\n<\/tr>\n
CL to Flange (B)<\/td>\n7.2″<\/td>\n183 mm<\/td>\n<\/tr>\n
Flange to Hub Pilot (C)<\/td>\n3.50″<\/td>\n88.9 mm<\/td>\n<\/tr>\n
Hub Pilot Diameter (H)<\/td>\n2.5″<\/td>\n63.5 mm<\/td>\n<\/tr>\n
Flange Diameter (D1)<\/td>\n9.5″<\/td>\n242.0 mm<\/td>\n<\/tr>\n
Bolt Hole Pattern (E1)<\/td>\n8.0″<\/td>\n203.2 mm<\/td>\n<\/tr>\n
Mounting Holes (F1)<\/td>\n(4) 0.787″<\/td>\n(4) 20 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"EP-RC-61<\/p>\n

Features of Heavy-Duty Rotary Cutter Gearboxes<\/h2>\n

Our engineering standards elevate the durability of agricultural machinery. As a leading cast iron rotary cutter gearbox manufacturer<\/strong>, we integrate structural reinforcements that safeguard internal components under continuous shock loading.<\/p>\n

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High-Grade Cast Iron Housing<\/h4>\n

Cast from high-density ASTM gray iron to deliver maximum rigidity and structural damping, resisting micro-cracks from structural vibration.<\/p>\n<\/div>\n

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Case-Hardened Alloy Steel Gears<\/h4>\n

Precision-ground bevel gears undergo strict heat treatment to optimize surface hardness, tooth contact, and long-term wear resistance.<\/p>\n<\/div>\n

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Dual-Lip Output Oil Seals<\/h4>\n

Equipped with heavy-duty nitrile spring-loaded seals that contain lubricant completely while barring external dirt, moisture, and fine fibers.<\/p>\n<\/div>\n<\/div>\n

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Applications of PTO Rotary Cutter Gearboxes<\/h2>\n

These durable gear assemblies are utilized extensively in rugged environments where reliable mechanical reduction and high-torque throughput are non-negotiable.<\/p>\n