P2100 Series hydraulic PTO pump, up to 3000 PSI, 10 GPM at 900 RPM, 14 GPM at 1200 RPM. SAE 2/4 bolt flange. 7/8 inch - 13 spline shaft. Bi-rotational design. Cast iron housing. 1 inch NPT ports.
Similar rating to original pump used on the M939 series 5-ton trucks. Replaces Permco P2100A290MDXE15-14.
To use with the 9553SF drive shaft kit use yoke 2-4-3331.