Backroads Diesel & Auto

Backroads Diesel & Auto Backroads Diesel & Auto is dedicated to quality service to the diesel and high performance community, as well as general automotive repair.

Backroads Diesel & Auto is dedicated to providing quality work and great service. Family owned by Tim and Shelby Schmits. We specialize in Diesel trucks but are here to provide service to your gas vehicles as well. We hope to become a trusted partner in the community. Please reach out today for your automotive needs.

We are so thankful to have been so busy these last few months. Thank you for the continued support from our customers, n...
05/20/2026

We are so thankful to have been so busy these last few months. Thank you for the continued support from our customers, new and old. Here are some projects we have finished up recently. They include a new Jasper engine, FASS fuel system, a turbo charger coolant line, and a Sam Wyse stage 3 transmission.

Don’t forget we are a Jasper Engines & Transmissions installer! New sign going up soon!
05/12/2026

Don’t forget we are a Jasper Engines & Transmissions installer! New sign going up soon!

We are now an AMSOIL dealer! A top quality lubricant made with high quality raw materials. The first synthetic motor oil...
03/25/2026

We are now an AMSOIL dealer! A top quality lubricant made with high quality raw materials. The first synthetic motor oil in the world to meet American Petroleum Institute service requirements in 1972!

02/17/2026

Shoutout to our friend Jeremy Kingdom Transport Services, LLC! He has helped us in transporting parts and we would be stuck without his help! We appreciate small business helping small businesses.

Happy Friday!
02/13/2026

Happy Friday!

A little behind on posting but we finished a big round of upgrades a couple weeks ago on Kayden Cunningham’s 2005 F-250 ...
01/30/2026

A little behind on posting but we finished a big round of upgrades a couple weeks ago on Kayden Cunningham’s 2005 F-250 that included a Titan 9 blade turbo, Holders 175/30 injectors, FASS 140 fuel system, a Blessed performance regulated return system with upper fuel bowl delete and a 6.4 oil filter housing. Thank you Kayden Cunningham for trusting us with this one!

01/25/2026

Due to the weather, we will not be open tomorrow. Please stay safe and warm!

01/05/2026

As of Dec 31st 2025 M&M Rod Shop will be replaced with Backroads Diesel and Auto LLC. Thank you all for more than 10 years of support! The shop will carry on as Backroads Diesel and Auto LLC Tim and Shelby Schmits LLC Tim has been working at the Rod Shop since it was started and has 15+ years experience and will continue to take care of your auto and diesel needs contact them at 812-677-5342 to schedule your appointment. Thank all of you for your support Sincerely , Tonya Murphy

Merry Christmas 🎄🎁
12/25/2022

Merry Christmas 🎄🎁

Sometimes you just got to upgrade
11/09/2022

Sometimes you just got to upgrade

Address

1010 S Maple Avenue
Princeton, IN
47670

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

(812) 385-3222

Website

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