The Self propelled trolley have aPerfect load capacity from 30 to 200 Tons and a very low height (260 mm up to 450 mm), with the possibility of making complete turns of 360º designed to place them under any type of element and displacement, you can also use motor driven trolleys models with hydraulic lifting cylinder to load in cars or racks and has a speed of up to 5m / min max. depending on