Trolley Trolley Type Push Maximum Load Capacity 2 000 lb Trolley Frame Material Cast Iron For Beam Shape Flat For Minimum Beam Flange Width 2 1/2 in For Maximum Beam Flange Width 8 in Headroom to Connecting Shaft Not Applicable Headroom to Mounting Point 6 5/16 in For Minimum Beam Height 2 1/2 in For Maximum Beam Height 8 in Includes Not Applicable Minimum Radius Curve 27 5/8 in Trolley Wheel Diameter 2 7/10 in Trolley Wheel Material Steel Compatible Series Not Applicable