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 11.5 ft Minimum Height Under Beam Not Applicable Maximum Height Under Beam 10 ft Minimum Overall Span Not Applicable Maximum Overall Span 17.6 ft Minimum Clear Span 14.6 ft Maximum Clear Span 14.5 ft Mobility Under Load Mobile Rotating Legs No