QY series reducer including type QYS (three points) and type QYD (base) hardened gear reducer for the two series of crane. It had a magnitude of three, four and three or four with type three. This kind of speed reducer is mainly used for the crane, also can be used for metallurgy, mine, chemical industry, building materials, transportation, textile, paper, plastic, rubber, equipment, engineering machinery, energy and other industrial sectors.

Technical data:

1) input speed ≤ 1500r/min

2) gear circumferential velocity ≤ 20m/s.