Trolley Trolley Type Push Maximum Load Capacity 6 000 lb Trolley Frame Material Cast Iron For Beam Shape Flat For Minimum Beam Flange Width 4 in For Maximum Beam Flange Width 8 in Headroom to Connecting Shaft 11 9/32 in Headroom to Mounting Point 6 1/16 in For Minimum Beam Height 8 in For Maximum Beam Height 24 1/2 in Includes Not Applicable Minimum Radius Curve 47 1/4 in Trolley Wheel Diameter 3 9/10 in Trolley Wheel Material Cast Iron Compatible Series Not Applicable