Description 58 cm3/r (3.6 in3/r) Displacement15 GPM Continuous Flow (18 GPM Inter)953 RPM Maximum Speed1,021 in-lbs Continuous Torque (1,271 in-lbs Inter)2-Bolt Flange Mount1.00" Keyed Shaft #10 ORB PortsStandard Seals Genuine Char Lynn 103-1537