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 5 ft Maximum Overall Height 7 ft Minimum Height Under Beam 4.2 ft Maximum Height Under Beam 6.2 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