Reference what is a tug machine? I worked for Firestone in Memphis for 40 years. The plant in Memphis had a large machine called a tug machine. Tires from final inspection were were run through the machine. It popped the tire on a rim, filled it with air, spun the tire a few rounds, marked the bead with some marks that represented the grade and then sent it down the conveyor. The grade had to do with balance and what they called lateral and radial run out. All OE manufactures had their specs on tires they would accept. The Memphis plant closed in 1982 and plants may use some different methods now.
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Today's Featured Article - Search For Spares - by Anthony West (UK). Following on from the aquisition of the old Fordson F, I was very much in need of spares. As a novice though I didn't appreciate the fact that there were so many Fordson tractors made, that all the other makes seem rare by comparison. As far as I was aware a fordson was a fordson and it was only through trial an
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