Electric Wire Rope Hoist Current at Maximum Voltage 51.4 A Current at Minimum Voltage 51.4 A Duty Classification H4 Headroom 32 3/10 in Number of Speeds Variable Programmable Programmable by VFD Minimum Lift Speed 3.3 fpm Maximum Lift Speed 20 fpm Maximum Lifting Capacity 20 000 lb Maximum Lifting Length 40 ft Motor Horsepower 17 3/4 hp Mount Type Motorized Trolley Operating Voltage 230V AC Body Depth 64 9/32 in Body Length 61 19/32 in Body Material Steel Body Width 64 9/32 in