The WA323-2920-230 is a 350 Series gear set for power take off (PTO) hydraulic pump drive applications. It features a 7/8-13 spline connection and a 2 inch gear, matching the drive gear used on 350 Series PTO units. This gear set is sold by Pro Gear and Transmission.Features350 Series PTO gear set7/8-13 spline connection2 inch gear diameterHydraulic pump drive gearTech SpecsSpline: 7/8-13Gear size: 2 inchSeries: 350