The Titan EZ Mover hydraulic vehicle positioning jacks are capable of holding up to 1,500 lbs. each and are mounted on aluminum rollers so that when all four wheels of a vehicle are resting in the all steel constructed frames, it can easily be pushed forward, backward and even sideways to help maneuver it into tight spaces. This XL model can accommodate wheels up to 13" in width and with it's easy to operate hydraulic foot pump, these heavy duty positioning jacks are designed to fit most cars and lightweight trucks so that even if you've got the engine pulled out, you can still move your vehicle to where it needs to be.