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 10 ft Maximum Overall Height 16 ft Minimum Height Under Beam 9 ft Maximum Height Under Beam 15 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