The WA316-8210-100 is a power take off hydraulic pump drive gear built for 75/76 Series IRP applications, referenced as SA-1688-10 GE. This drive gear transfers rotational power from the transmission PTO opening to a mounted hydraulic pump, letting the pump run off engine power for dump beds, wet kits, and other hydraulic accessories.Interchanges:SA-1688-10FeaturesPTO hydraulic pump drive gearPart number WA316-8210-100Fits 75/76 Series IRP applicationsUsed to drive a mounted hydraulic pump from the PTO opening