The Diesel Doctor

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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.

Are you getting your boat ready before winter? We carry lower unit oil! Give us a call and get yours!
10/14/2026

Are you getting your boat ready before winter? We carry lower unit oil! Give us a call and get yours!

We have all for all types of vehicles! Did your city just open the roads to ATVs and you want the best protection for y...
10/09/2026

We have all for all types of vehicles! Did your city just open the roads to ATVs and you want the best protection for your ride? Do you want an edge on your competition while ice racing this winter? Are you ready to put your motorcycle away for the winter? You’ll be covered with our AMSOIL!! Give us a call or visit our website www.dieseldoctorwi.com!

We now carry DEF! Let us know if you need any!!
10/02/2026

We now carry DEF! Let us know if you need any!!

Teaching the next gen! Mini Diesel Doctor helping in the shop today getting a trailer ready for the California race!!
09/26/2026

Teaching the next gen! Mini Diesel Doctor helping in the shop today getting a trailer ready for the California race!!

09/17/2026

Years of research and experimentation + scores of candidate formulations + endless hours and miles of validation = an exciting leap forward in motor-oil performance. 🙌

The new Signature Series formulation raises the bar for motor oil performance to provide even more protection, performance and confidence mile after mile. 💯

Get the full story here: https://ams.fan/474vDjK

We carry oils for all types of engines, not just Diesels! Our Marketing Director Bob has been a long time customer and l...
09/14/2026

We carry oils for all types of engines, not just Diesels! Our Marketing Director Bob has been a long time customer and loves the extra protection it gives his boat and the time it saves him only having to do it once a year. Thanks Bob!!

Congrats to Matt Pyburn on a HUGE win yesterday!!!
09/06/2026

Congrats to Matt Pyburn on a HUGE win yesterday!!!

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!!

Address

Wisconsin Rapids, WI
54494

Telephone

+17153235495

Website

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