Product Overview
Gearboxes work to administer a transfer of speed and torque through their internal gear rotation, helping the overall performance of your rotary cutter. This RW-300 gearbox operates at 55 HP. The housing is constructed from durable ductile iron and the smooth input shaft measures 1-3/8 inches. It has a beveled type of gear, with the gear ratio measuring 1:1.47. Designed for use with 4 foot, 5 foot, and 6 foot rotary cutters, this rotary cutter gearbox has 4 bolt holes measuring 5/8 inch on a 6-3/4 inch bolt circle for installment.
Specifications
- Fits many brands of mowers
- Gearbox RW-510
- Horsepower: 55
- 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 2 inch diameter X 15 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
- Rotation is CW or CCW with no modifications; It also comes with the castellated nut and the carrier hub for the stump jumper (if needed)
- For castle nut use ASC 102241 – 1″ Castle Nut
- For output shaft gearbox seal RW300 use 89757
- For input shaft gearbox seal RW300 use 89756
- For blade hub use 89754
- Replaces Kodiak KDK03-0012 and other brands.
- Made to fit ASC 121986, ASC 121620, and ASC 121987 Rotary Mowers
- For replacement outer input shaft snap ring, use 135429
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