The ARI-Hetra Military Floor Jack, No. WS-1945, is a hydraulic jack designed to engage the shackle mounts of heavy duty military and construction vehicles, allowing the user to raise the front and/or rear of equipment weighing up to 45,000 lbs. The floor jack features twin rams with threaded locking safety collars which move side to side, rapid lift without load, independent lifting ram controls, retractable wheels, pressure relief valve to prevent overloading, and the handle folds out of the way. In addition, numerous shackle adapters are available.