WA312-2910-730 is a PTO drive gear set built for the 20/30/31 Series power take off hydraulic pump drive, with a 1″ CO. gear configuration. This gear set is used to drive a hydraulic pump off the transmission’s PTO opening.FeaturesGear setPart number WA312-2910-730Fits 20/30/31 Series PTO applications1″ CO. gear configurationUsed for hydraulic pump drive off PTO openingTech Specs20/30/31 Series1″ CO. gear configuration