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1-3/4 in. 20-Spline Input 1:1.46 Ratio Rotary Cutter Gearbox
1-3/4 in. 20-Spline Input 1:1.46 Ratio Rotary Cutter Gearbox
Restore reliable power transfer to your rotary cutter with this heavy duty replacement gearbox. Built with a ductile iron housing for long lasting strength and dependable field performance in demanding mowing applications.
Features a 1-3/4 in. 20-spline input shaft and a 2 in. 15-spline output shaft for standard fitment. **Operates at a maximum of 540 RPM** with a 1:1.46 gear ratio for efficient torque conversion. The input shaft can rotate clockwise or counter-clockwise for versatile installation. Designed for 5, 6, and 7 ft. rotary cutters with 75-90 HP compatibility. **Mounting features 4 holes with a 3/4 in. size on an 8 in. bolt pattern with 5.5 in. clearance for the output cap.** Comes complete with castellated nut and carrier hub for stump jumper installation. Manufacturer Part Number: RW-710-20S.
- Input Shaft
- Gearbox RW-710-20S
- Horsepower: 75-90
- Max RPM 540
- For 5 ft., 6 ft., and 7 ft. rotary cutters
- Both shaft lengths are 4-1/2 in.
- 20 spline
- Hub for blade carrier is included
- Housing construction: Ductile iron
- Input shaft: 1-3/4 in.
- Gear ratio: 1:1.46
- 2 in. diameter, 15 Spline Output Shaft
- Rotation is CW or CCW with no modifications; It also comes with the castilated nut and the carrier hub for the stump jumper (if needed)
- Mounting Pattern:
- (4) 3/4" holes
- 8" bolt pattern
- 5.5" clearance for output cap
- Use ASC # 102241 for replacement 1" Castle Nut
- Use ASC # 89761 for Output Shaft Seal
- Use ASC # 124422 for Input Shaft Seal