I have a Massey Ferguson MF-50 industrial loader tractor. I have parts manuals for an MF-50 & MF-50A. Neither parts manual shows my wheels listed in the pages.The front wheels are solid cast iron. There's no hub with lugs - the whole center is the hub (about 12-13" in diamter)with the rim being held onto the large center with wedge type clips. The rims have safety rings similar to what was used on 16.5" truck wheels. The rims are smooth with nono lugs on them - just the wedge/clips that hold the rim over the wheel center piece. It is all that I can do to hold the wheel and tire upright, because it is so heavy. The rear wheels are solid cast iron with very heavy radially oriented gusseting on the back side bracing the solid web center to the wide ring. The wheel centers have the usual 8 lug pattern, but the smooth rims are held on with about 6 wedge/clip gismos. The rims are smooth with no lugs and fit closely over the wheel center piece. In fact, after taking off the wedge/clips, the rim is rusted onto the wheel center and can't be removed. Were these wheels an option for the industrial tractors? I would like to convert the front hubs over to a standard 6-lug hub and run standard 6 lug 15" or 16" wheels with tri-rib ag tires. Currently, the tires are a 10.00 X 15" heavy duty truck/industrial treaded tires. Thanks in advance for any information. Ken McWilliams
Dayton, OH
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