The WA323-2917-240 is a 350 Series gear set built for power take off (PTO) applications, functioning as the hydraulic pump drive gear within the assembly. It features a 1 3/4 inch BB (bore/bearing bore) specification, matching the 350 Series PTO housing design. This gear set is sold by Pro Gear and Transmission.Features350 Series gear set1 3/4″ BB (bore)Power Take Off (PTO) hydraulic pump drive gearTech Specs350 Series1 3/4″ BB