With little modification, it can also be used as a winch. It is widely used in factories, mines, harbors, warehouses, goods yards, shops, etc. It is necessary equipment to increasing working efficiency and improving labor conditions. Cd1 model electric hoist has only one speed, it can meet general requirements. Md1 model electric hoist provides two speeds, normal and low speed, low speed is one over ten of normal speed. When working at low speed, it can meet the strict requirements of precise loading and unloading, sand box mold, machine tools maintenance etc. So, md1 model electric hoist is used more widely than cd1 model. Model lifting capacity(tons) lifting height(m) lifting speed(m/min) travel speed(m/min) wire rope Rope dia. Specification Md1 0.25 3/6/9 8/0.8 20 3.6mm 619 0.5 6/9/12 8/0.8 20 4.8mm 637+1 1 6/9/12/18/24/30 8/0.8 20 7.7mm 637+1 2 6/9/12/18/24/30 8/0.8 20 11mm 637+1 3 6/9/12/18/24/30 8/0.8 20 13mm 637+1 5 6/9/12/18/24/30 8/0.8 20 15.5mm 637+1 10 6/9/12/18/24/30 7/0.7 20 15.5mm 637+1 16 6/9/12/18/24/30 6/0.6 20 24mm 637+1 20 6/9/12/18/24/30 3.5/0.3 20 20mm 637+1