Hydraulic Engine Mobile Crane, Capacity 1500/1000/500 Pounds, Boom Capacity Position 1 1/2/3 Pounds, Minimum Hook Height 9 5/8, 5 7/8, 2 Inches, Maximum Hook Height 78 1/8, 80 3/4, 83 1/2 Inches, Boom Length 39 1/8, 43 1/8, 47 1/8 Inches, Height 55 1/2 Inches, Length 54 Inches, Width 36 Inches, 3 Position Boom Length, Adjustable Legs, Heavy Duty