WA316-5037-401 is a power take off hydraulic pump drive gear built for the 75/76 Series PTO line. This drive gear transmits engine power from the PTO to a mounted hydraulic pump, and it is sold by Pro Gear and Transmission.Interchanges:IRP SB-1685-3 76FeaturesPTO hydraulic pump drive gearPart number WA316-5037-401Fits 75/76 Series power take off unitsTech Specs75/76 Series compatibility