Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 6 000 lb I-Beam Flange Width 4.7 in I-Beam Height 10 in Height Adjustability Adjustable Height Minimum Overall Height 7 ft Maximum Overall Height 10 ft Minimum Height Under Beam 6.2 ft Maximum Height Under Beam 9.2 ft Minimum Overall Span 9 ft Maximum Overall Span 13.5 ft Minimum Clear Span 11.5 ft Maximum Clear Span 11.4 ft Mobility Under Load Mobile Rotating Legs Yes Span Adjustability Adjustable Span