The first picture is just to show how this look when mounted to a hoist, the following pictures are of the one for sale.I have one just like this I used for years and I lift 1200 Lbs. all the time with it, so the 500 Lb. capacity on it is for OSHA reasons generally)(there's a picture showing the frame a very thick .312" ) (The last 2 pictures are of a 1 ton trolley I also have for sale, check out my ebay store) This CM Lodestar Trolley was designed to be utilized with the CM Hoists where versatility and strength are key components. Add a low headroom trolley to your Lug mounted Hoist and gain some headroom. This can easily be adapted to work with many Hoist Brands.It can be adjusted for I Beam Widths from 3" to 6" wide.
It Has Universal Tread trackwheels that operate on standard Taper beams or flat flanged beams. The wheels are 3-1/4" in diameter. Shipping will be cheapest, If I take it apart (bag the bolts and spacer washers up) and fit it into a Medium USPS box. You are going to assemble it to fit your personal I beam width anyways. This is an extremely high quality Trolley (no Chinese junk), so buy with confidence. I have many oher trolleys on hand for sale..Call with any interest 952-854-5 seven eight six