A compact, heavy duty air motor with highly damped muffler. Complete unit consists of an air hose with a snap coupling on motor end and shut-off valve on the other. Motor will develop 1.5 hp. at 90 lbs. air pressure. Speeds are variable from 300 to 3000 r.p.m. It consumes approximately 1.98m3 free air (70cfm) at 3000 r.p.m. Shaft is 12.7mm (1/2") diameter for use with 8124 chuck, not included. For Filter/Regulator/Lubricator, see 13372.