Trolley Trolley Type Push Maximum Load Capacity 2 000 lb Trolley Frame Material Steel For Beam Shape Flat Tapered For Minimum Beam Flange Width 2 17/32 in For Maximum Beam Flange Width 8 in Headroom to Connecting Shaft 1 in Headroom to Mounting Point 5 1/2 in For Minimum Beam Height 3 in For Maximum Beam Height Not Applicable Includes Not Applicable Minimum Radius Curve 3 11/32 in Trolley Wheel Diameter 4 in Trolley Wheel Material Steel Manufacturer s Warranty Length 5 yr