For sale is a New Fasco Type U51B1 AC Motor for use in commercial furnaces and heaters. 1/30 HP. 1/60/115V AC Input power. 1,050 RPM. 1/2" Diameter X 2-1/16" long shaft with flat for coupling. 5" Diameter X 3" deep motor body (housing). (4) Mounting screws on shaft side of motor frame. Mounting screws are on a 4-5/8" diameter bolt hole circle.