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TractorWe now offer custom, high-performance billet crankshafts! Inquire within.

For your next new Zetor tractor, used ag equipment, or high performance tractor parts, look to McCormick Diesel Service in Stewardson, Illinois. We carry the latest from Zetor tractors, Salford tillage, AMSOIL lubricants, Kendall lubricants, Schaeffer's oil, and other top manufacturers. Customers from Stewardson, Effingham, Shelbyville, and other nearby local communities have come to trust the service, quality, and knowledge you will receive at McCormick Diesel Service.

If you're located in Shelby County, Effingham County, Fayette County, or a nearby area, drop by. Our happy customers rely on our high-performance diesel tuning, ag parts, and sales to keep their machines in top condition. We also have short waiting lines, tillage equipment, and wagons.

Call us today for more information at (217) 682-3339, or you can send an email to

Ask about our new chassis dyno services. From farm stock to pro-stock, we can help you tune your machine for maximum performance. Call to book your time today.

McCormick Diesel and Team Nasty Stuff would like to thank Bo-Jac Seeds and Cornwell Tools for supporting us. Be sure to visit a dealer near you.

Ask us about our exciting new tillage products from Salford tillage specialists! Visit

Contact Us About Our New Chassis Dyno!

Tune your setup for maximum performance.

We are pleased to announce that we are now carrying McCormick USA, please call us for all your tractor needs!


We Are Proud To Be Partners
With Agroecopower.

Contact us about custom engine tuning.

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