Trolley, Trolley Type Push, Maximum Load Capacity 6,000 lb, Trolley Frame Material Cast Iron, For Beam Shape Flat, For Minimum Beam Flange Width 4 in, For Maximum Beam Flange Width 8 in, Headroom to Connecting Shaft 11 9/32 in, Headroom to Mounting Point 6 1/16 in, For Minimum Beam Height 8 in, For Maximum Beam Height 24 1/2 in, Includes Not Applicable, Minimum Radius Curve 47 1/4 in, Trolley Wheel Diameter 3 9/10 in, Trolley Wheel Material Cast Iron, Compatible Series Not Applicable