Description
40 HP Rotary Mower Gearbox RW-300, Smooth 1-3/8″ Input Shaft
A gearbox helps to improve the overall performance of a rotary cutting machine by managing the transmission of speed and torque through the rotation of its internal gears. This RW-300 transmission runs at 40 HP. Housing is constructed of durable ductile iron with a smooth input shaft measuring 1-3/8 in. It has a helical gear with a gear ratio of 1:1.47. Designed for 4′, 5′ and 6′ rotary cutters, this rotary cutter gearbox has 4 bolt holes sized 5/8″ on a 6-3/4″ bolt circle for mounting.
Specifications of Rotary Mower Gearbox
- Fits many brands of mowers
- Gearbox RW-300
- Horsepower: 40
- Max RPM 540
- Turns both clockwise or counterclockwise
- For 4 ft., 5 ft., and 6 ft. rotary cutters
- Housing construction: Ductile iron
- Mounting Base Thickness is 3/8 inch
- 9 inches tall
- Distance between mounting holes is 4-3/4 inch
- Smooth input shaft: 1-3/8 in diameter X 3-7/8 inches long
- Output shaft 1-1/2 inch diameter X 12 Spline being 4-1/2 inch length
- Spline length is 2-5/8 inches
- Gear ratio: 1:1.47
- Gear type: Bevel gear
- Bolt pattern: (4) 5/8 inch diameter holes on a 6-3/4 inch bolt circle
- Uses 90 Weight Gear Oil (Not included)
- The input shaft snap ring comes with this and is located in the plastic tube attached to the shaft