motorized transfer cars with integrated screw jack lift . BestEquip Hydraulic Scissor 500LBS Capacity, Cart Lift Table Cart 28.5-Perfect Steerable Transfer Carth Lifting Height, Manual Scissor Lift Table w/ 4 Wheels and Foot Pump, Elevating Hydraulic Cart for Material Handling, in Grey. on-rail transfer trolleys with drive motor 25 tons-Perfect