MD1 type electric hoist for normal speed and slow speed two gear lifting, with compact structure, light weight, small volume, easy to operate and so on. It can be installed separately on the overhead I-beam, can also be installed on the electric or manual single beam, double beam, cantilever, gantry and other cranes, in fine work occasions, when the lifting speed of CD1 type electric hoist can not meet the requirements, MD1 type double lifting speed electric hoist should be selected.