40 HP Rotary Mower Gearbox RW-300, Smooth 1-3/8″ Input Shaft

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