Portable Gantry Crane Body Material Steel Maximum Lifting Capacity 16 000 lb I-Beam Flange Width 6 in I-Beam Height 18 in Height Adjustability Fixed Height Minimum Overall Height Not Applicable Maximum Overall Height 13.5 ft Minimum Height Under Beam Not Applicable Maximum Height Under Beam 12 ft Minimum Overall Span Not Applicable Maximum Overall Span 13.6 ft Minimum Clear Span 10.6 ft Maximum Clear Span 10.5 ft Mobility Under Load Mobile Rotating Legs No