WA313-2912-250 is a 50/51 Series gear set built for power take off (PTO) hydraulic pump drive applications. The set is machined to a 1 1/4-14 spec, matching the drive requirements of 50 and 51 series PTO units.Features50/51 Series gear set1 1/4-14 specPTO hydraulic pump drive gear applicationPart number WA313-2912-250Tech Specs50/51 Series1 1/4-14