Premium Trolley Comes with Electric Hoist and Trolley This all-in-one product is for lifting small engines from transmissions, large shop tools or building materials. The four-wheel cart is made of Q235 steel which is anti-corrosion and more sturdy. Adjustable track width effortlessly meets your different demands. Suitable width is 3-4.3" (80-110mm). 800kg Load Capacity: The lifting cart has enough capacity to lift various items. Single line capacity: 880 lbs (400 kg), 40 ft/min (12 m/min). Dual line capacity: 1700 lbs (800 kg), 20 ft/min (6 m/min). Mn steel limit switch and hook are designed to prevent sudden drop. Double line: 1700 lbs (800 kg), single line: 880 lbs (400 kg). 1300W Powerful Motor: The copper motor provides 1800W power to withstand great force without deformation or damage. In addition, the large radiator fan quickly cools the machine thanks to the overheating protection. Thus, this powerful motor ensures efficient and quiet work.