Air Motor 1.7 hp HP Running Torque @ Max Pressure 36 in-lb 78 cfm Max Air Flow No Load RPM 3 000 RPM Shaft Dia 5/8 in Shaft Length 1.92 in Face Mounting Port Size 3/8 in NPT REV Rotation Housing Material Cast Iron and Aluminum Gray Finish 300 RPM RPM @ Max Torque Max Air Pressure 100 psi Overall Length 6.57 in Overall Width 4.32 in Overall Height 3.74 in 0 Degrees to 250 Degrees F Operating Temp Range Includes Muffler