The WA313-2922-750 is a 50/51 Series gear set built for power take off (PTO) hydraulic pump drive applications. It features a 1 1/4 in. keyed (KE) shaft configuration for mounting a hydraulic pump drive gear to compatible 50/51 Series PTO units. This gear set is sold by Pro Gear and Transmission.Features50/51 Series gear set1 1/4 in. keyed (KE) shaft configurationPower take off (PTO) hydraulic pump drive gearPart number WA313-2922-750Tech Specs50/51 Series1 1/4 in. keyed (KE) shaft