1,QJ type air winche are powered by piston-type air motor. 2,advantages of compact structure 3,light weight 4,high quality 1,QJ type air winche are powered by piston-type air motor. 2,advantages of compact structure3,light weight4,high quality ModelQJL0.5/40(A)QJ0.5/120(A)QJ1/120(A)QJ3/200(B)QJ5/120(B)Air PressureMPa0.5-0.9psi72-130Max. PullkN55103050US ton0.550.551.13.35.5Max. Line Speedm/ ...