Rotary Vane Air Motor, 9.0 Output HP, Max RPM 2000, Torque 290.0 In-Lbs, Max Air Consumption 280 CFM, Max Torque 360.0 In-Lb, Max Air Pressure 100 PSI, Inlet/Outlet NPT 1 1/4 In, Shaft Dia 1 1/8 In, Foot Mount, Gray Metallic Finish, Length 14 1/8 In, Width 8 In, Height 7 3/8 In, Overall Length 14 1/16 In Cast-IronRotary Vane Air MotorsOutput speed and torque are adjustable with use of air regulator valve placed between air source and air motor. Requires little maintenance, as vanes are self-sealing and self-adjusting. Discharge muffler included with all except 5KA99 and 5KB10. 5KB11, 5KB12, 5KB13, 5KB14, 5KB15, 5KB16 can operate with or without lubrication.Operate in extreme temperatures up to 250 F, as well as in wet and corrosive environments. With no heat build-up or electric sparking, air motors are an excellent alternative in applications that would normally require expensive explosionproof motors. Optional maintenance kits extend service life; include all the parts needed for repair and maintenance.