The 5:1 design factor allows use with both manual or powered hoists. Meets pertinent U.S. (ASME/ANSI and CMAA), Canadian and European standards.
The side plates, including the rail sweeps/drop stops, are made of cold formed steel for strength, durability and even load distribution.
The wheel axles are 'rivet-locked' in place so they will not come loose. They are NOT knurled, welded, or modified bolts.
The wheels are cast iron. The 'Universal' tread fits either flat or tapered beams.
Wheels run on sealed, 'Lube-for-Life' ball bearings. Smoother rolling with less effort and maintenance.
Wide hanger shaft assemblies allow the standard trolley's to fit almost any I-Beam, H-Beam or patented track beam. Extension shaft kits are stocked.
Additional gearing in the 20 ton trolley allows operation by one hand chain.
The trolley's are painted black for universal coordination.
Shaft extension kits allow standard trolleys to fit almost any S-beam or patented track beam - flange adjustment 8'-13'. Please click on 'catalog section' for details.