Applications: front end work, king pin removal, removal and installation of bulldozer walking beams, removal of truck springs and heavy-duty spring bushings. Stroke: 2.69"; average air consumption: 3.13 cfm; air inlet thread: 1/4" NPTF; minimum hose size: 3/8"; sound dBA: 95; length: 9.75"; weight: 4.75 lb.