Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 10 000 lb I-Beam Flange Width 5 in I-Beam Height 12 in Height Adjustability Adjustable Height Minimum Overall Height 8.1 ft Maximum Overall Height 12 ft Minimum Height Under Beam 7.1 ft Maximum Height Under Beam 11 ft Minimum Overall Span 7 ft Maximum Overall Span 11.5 ft Minimum Clear Span 9.5 ft Maximum Clear Span 9.4 ft Mobility Under Load Mobile Rotating Legs Yes Span Adjustability Adjustable Span