Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 10 000 lb I-Beam Flange Width 5.5 in I-Beam Height 15 in Height Adjustability Adjustable Height Minimum Overall Height 6.1 ft Maximum Overall Height 9 ft Minimum Height Under Beam 4.8 ft Maximum Height Under Beam 7.8 ft Minimum Overall Span 11 ft Maximum Overall Span 15.5 ft Minimum Clear Span 13.5 ft Maximum Clear Span 13.4 ft Mobility Under Load Mobile Rotating Legs Yes Span Adjustability Adjustable Span