Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 8 000 lb I-Beam Flange Width 5 in I-Beam Height 12 in Height Adjustability Adjustable Height Minimum Overall Height 8 ft Maximum Overall Height 12 ft Minimum Height Under Beam 7 ft Maximum Height Under Beam 11 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