Description 158.1 cm3/r (9.65 in3/r) Displacement20 GPM Continuous Flow (30 GPM Inter)477 RPM Maximum Speed4,040 in-lbs Continuous Torque (5,040 in-lbs Inter)2-Bolt Flange Mount1.00" Keyed Shaft with 1/4"-20 Threaded Hole in Shaft End#10 ORB Ports#4 ORB Case Drain Port (Capped)Standard Seals Genuine Char Lynn 104-1004