Trolley Trolley Type Push Maximum Load Capacity 2 000 lb Trolley Frame Material Cast Iron For Beam Shape Flat For Minimum Beam Flange Width 3 in For Maximum Beam Flange Width 8 in Headroom to Connecting Shaft 5 9/16 in Headroom to Mounting Point 1 27/32 in For Minimum Beam Height 5 in For Maximum Beam Height 24 1/2 in Includes Hanger Plate Hanger Shaft Washers Minimum Radius Curve 31 1/2 in Trolley Wheel Diameter 2 4/5 in Trolley Wheel Material Steel