Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 16 000 lb I-Beam Flange Width 7.6 in I-Beam Height 18.4 in Height Adjustability Adjustable Height Minimum Overall Height 6.5 ft Maximum Overall Height 9 ft Minimum Height Under Beam 5 ft Maximum Height Under Beam 7.5 ft Minimum Overall Span Not Applicable Maximum Overall Span 25.5 ft Minimum Clear Span 22.6 ft Maximum Clear Span 22.7 ft Mobility Under Load Mobile Rotating Legs Yes Span Adjustability Fixed Span