Koester Racing

Another familiar name on the 2010 NTPA tractor-pull circuit

| July 06, 2010

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, I've taken note of another ...

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