Trolley, Trolley Type Push, Maximum Load Capacity 4,000 lb, Trolley Frame Material Cast Iron, For Beam Shape Flat, For Minimum Beam Flange Width 3 5/8 in, For Maximum Beam Flange Width 8 in, Headroom to Connecting Shaft 10 1/8 in, Headroom to Mounting Point 5 11/16 in, For Minimum Beam Height 6 in, For Maximum Beam Height 24 1/2 in, Includes Not Applicable, Minimum Radius Curve 35 3/8 in, Trolley Wheel Diameter 3 1/10 in, Trolley Wheel Material Cast Iron, Compatible Series Not Applicable