Hydraulic Motor, 2.8 cu in/rev Displacement, Continuous Torque 650 in-lb, Flange Mount 2 Bolt, 3.25 in Pilot, 7/8 In.-14 O-ring Port Size, Side Port Location, Shaft Dia. 1 in, Min. Oil Viscosity 100 SUS, Max. RPM 969 RPM, Pressure Rating 1800 psi, Shaft Type Keyed, Max. Oil Temp. 180 Degrees F, Shaft Length 1.75 in, Length 5.45 in, Height 5.17 in, Mounting Plate Width 5.17 in