Trolley Trolley Type Push Maximum Load Capacity 1 000 lb Trolley Frame Material Cast Iron For Beam Shape Flat For Minimum Beam Flange Width 2 3/8 in For Maximum Beam Flange Width 5 5/8 in Headroom to Connecting Shaft 10 7/16 in Headroom to Mounting Point 5 in For Minimum Beam Height 3 in For Maximum Beam Height 15 in Includes Not Applicable Minimum Radius Curve 18 5/8 in Trolley Wheel Diameter 2 1/5 in Trolley Wheel Material Cast Iron Compatible Series Not Applicable