Mobil Delvac isn’t the only top diesel oil name you’ll see on the tractor-pull circuit this season. Since I blogged about Delvac’s involvement as sponsor of the big Tomah, Wis., tractor pull in June, ...
When push comes to pull, National Tractor Pullers Association style, the more engines the merrier. The pullers and pullettes (women drag it out, too) sit astride hand-built, tube frame fantastics ...
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