... by piston-type air motor. 2,advantages of compact structure 3,light weight 4,high quality 1,QJ type air winche ... *343*460825*343*4501340*940*9851300*940*985in19.5*14.3*1527*13.5*1832.5*13.5*1853*37*3951 ... .2.The above table shows the specifications for normal winches. 3*F means the flange connection, L means the screw connection ...