Air Motor, Output Power @ Maximum Speed 1.7 hp, Maximum Torque 35 in-lb, No Load Speed 3,000 RPM, Maximum Flow Rate 72 cfm, Shaft Diameter 5/8 in, Shaft Length 2 in, Mount Type Flange, Inlet Size 1/4 in, Air Inlet Type NPT, Rotation CW/CCW, Housing Material Cast Iron, Shaft Material Grade 30-36, Maximum Operating Pressure 100 psi, Includes Muffler, Keyway Width 1/8 in, Weight 11 lb, Housing Material Grade G2500, Housing Material Finish Painted, Keyway Type Square