Trolley Trolley Type Push Maximum Load Capacity 1 000 lb For Minimum Beam Flange Width 2 5/8 in For Maximum Beam Flange Width 8 in Headroom to Connecting Shaft 2 1/2 in Headroom to Mounting Point 6 3/16 in For Minimum Beam Height 4 in For Maximum Beam Height 24 in Minimum Radius Curve 36 in Trolley Wheel Diameter 2 3/10 in Trolley Wheel Material Cast Iron Manufacturer s Warranty Length 1 yr Standards ISO 9001 2015