No Trolley, Maximum Lifting Capacity 2, 000 lb, Number of Speeds 1, Fixed Lift Speed 16 fpm, Minimum Lift Speed Not Applicable, Maximum Lift Speed Not Applicable, Trolley Speed 20, Maximum Lifting Length 10 ft, Current at Minimum Voltage 15 A, Current at Maximum Voltage 15 A ...No Trolley, Maximum Lifting Capacity 2, 000 lb, Number of Speeds 1, Fixed Lift Speed 16 fpm, Minimum Lift Speed Not Applicable, Maximum Lift Speed Not Applicable, Trolley Speed 20, Maximum Lifting Length 10 ft, Current at Minimum Voltage 15 A, Current at Maximum Voltage 15 A, Motor Horsepower 1 hp, Operating Voltage 115V AC, Headroom 22 1/16 in, For Minimum Beam Height Not Applicable, For Maximum Beam Height Not Applicable