The WA313-2917-750 is a 50/51 Series gear set for power take off (PTO) hydraulic pump drive applications, sized with a 1 3/4 inch center. This gear set is built for use on 50/51 Series PTO units where pump drive gears need matched replacement.Features50/51 Series gear set1 3/4 inch centerPower Take Off (PTO) hydraulic pump drive applicationPart number WA313-2917-750Tech SpecsCenter: 1 3/4 inchApplication: 50/51 Series Power Take Off (PTO) hydraulic pump drive