PA B31 Gear Reduction Up To 31hp 1-1/8” Drive 2.176:1

PA gearbox reducer for pressure washer pump.

Model: B31

Drive Shaft: 1-1/8"

Flange: Fits Gas Engine (SAE J609B)

Pump Shaft: 24mm

Maximum Horsepower: 31hp

Gear Ratio: 2.176:1 (3100rpm Engine / 1425rpm Pump)

MPN: 50.0071.00, 50007100 (1-1/8")