... is 750 tons 3.By human or electric drive hydraulic pump Hydraulic Bottle Jack 1.Simple structure,light weight,easy to ... version. 3. By human or electric drive hydraulic pump , through hydraulic transmission system .Hydraulic jack divided into unitary type and disconnection-type. ... of Wire rope ,Wire rope sling ,Synthetic fiber sling ,Hydraulic wire rope retainer ,Steel plate clamp ,and other rigging ...