The Diesel Doctor

The Diesel Doctor We are an Independant Shop/AMSOIL Dealer. Ask us how to save money on your equipment maintenance.

We are an Independant AMSOIL dealer based in Wisconsin with extensive knowledge and experience in the Diesel, Gasoline, Heavy Equipment, and Racing Industries both on and off road.

Pro teams! We still have a few slots available to CARB check your truck at Crandon prior to the Glen Helen race in a few...
09/02/2026

Pro teams! We still have a few slots available to CARB check your truck at Crandon prior to the Glen Helen race in a few weeks. Give us a call or text (715)323-5495!

Race teams, are you headed out to California in a few weeks? Did you get a warning letter in the mail after last year fo...
08/25/2026

Race teams, are you headed out to California in a few weeks? Did you get a warning letter in the mail after last year for not having your truck CARB certified? Trucks we work with run out there all the time and we can get your truck CARB certified at Crandon right at the track! Give us a call for a cheaper rate! (715)323-5495

Double podium weekend for Matt!! It was a hell of a fun weekend!!
08/16/2026

Double podium weekend for Matt!! It was a hell of a fun weekend!!

Congrats to the Rapids Rocket Matt Pyburn on his well earned 3rd place today! Started in the back and fought his way up...
08/15/2026

Congrats to the Rapids Rocket Matt Pyburn on his well earned 3rd place today! Started in the back and fought his way up!!

Fast Jonny Pyburn on the podium again!! Congrats Jonny!!!!!!!
08/14/2026

Fast Jonny Pyburn on the podium again!! Congrats Jonny!!!!!!!

We’re here and we’ve got what you need! Come find us in the pro pits if you need anything! We’ve got plenty of mudslin...
08/14/2026

We’re here and we’ve got what you need! Come find us in the pro pits if you need anything! We’ve got plenty of mudslinger to keep those rides clean and looking nice!

Come on down to Midstate Tech for the Rapids Rumble car cruise! We’ve got great deals and love to talk!
08/01/2026

Come on down to Midstate Tech for the Rapids Rumble car cruise! We’ve got great deals and love to talk!

Congrats to both Johnny and Matt Pyburn on their podium finishes today!!! This was also Johnny’s first podium!! Let’s ke...
07/13/2026

Congrats to both Johnny and Matt Pyburn on their podium finishes today!!! This was also Johnny’s first podium!! Let’s keep it going boys!!

Was your car running too hot in practice or qualifying? We’ve got coolant boost to get those temps down? Shoot us a text...
07/10/2026

Was your car running too hot in practice or qualifying? We’ve got coolant boost to get those temps down? Shoot us a text and we’ll get you some! (715) 323-5495

Loaded and ready for ERX! If you need anything we’ve got it just give us a call or text! (715) 323-5495
07/09/2026

Loaded and ready for ERX! If you need anything we’ve got it just give us a call or text! (715) 323-5495

Address

Wisconsin Rapids, WI
54494

Telephone

+17153235495

Website

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