The WA323-2912-230 is a 350 Series gear set built for power take off (PTO) hydraulic pump drive applications. It features a 1 1/4″ B S (bore and spline) configuration, matching the drive gear specification used on 350 Series PTO units. This gear set is sold by Pro Gear and Transmission.Features350 Series gear set1 1/4″ B S drive configurationPower Take Off (PTO) hydraulic pump drive gearPart number WA323-2912-230Tech Specs1 1/4″ B S drive gear350 Series