Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 2 000 lb I-Beam Flange Width 4.7 in I-Beam Height 10 in Height Adjustability Adjustable Height Minimum Overall Height 9 ft Maximum Overall Height 14 ft Minimum Height Under Beam 8.2 ft Maximum Height Under Beam 13.2 ft Minimum Overall Span Not Applicable Maximum Overall Span 21.3 ft Minimum Clear Span 19.7 ft Maximum Clear Span 19.6 ft Mobility Under Load Mobile Rotating Legs Yes Span Adjustability Fixed Span