PW wire rope hoist features include new low maintenance, sealed brakes, a two-speed hoist motor, and trolley inverter control. PW hoists are designed to meet and exceed either ASME H3 or ASME H4 duty (FEM 1Am, 2m, or 3m) ratings and provide the ultimate in easy load handling, safe operation and lasting, trouble-free performance. PW hoist is high efficiency and make the most of the space.