Max Effort Diesel

Max Effort Diesel Specializing in diesel performance and repairs. Duramax, Cummins, Powerstroke
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Huge thanks to D&D Transmission and Repair for getting a few top notch units knocked out for me and getting these custom...
08/26/2026

Huge thanks to D&D Transmission and Repair for getting a few top notch units knocked out for me and getting these customers back on the road!

08/17/2026

Another customer I was able to help out at Useless Truck Meet on the dyno with his beautiful L5P running a stock fuel setup and an S369 that was just finished up prior to the event. Obtaining some data logs on the dyno that we can look at and make some tuning revisions if needed!

08/17/2026

Headed over to Useless Truck Meet to support a few customers over the weekend on the dyno! Just finished up doing a ton of work on this beautiful 12 valve and the customer could not be happier!

Another motor built for the baddest 6.0 in the country! Time to get it put in the truck so it can be on its way to Iowa ...
08/13/2026

Another motor built for the baddest 6.0 in the country! Time to get it put in the truck so it can be on its way to Iowa to compete in the Hub City Dirt Drags ! Austin Denny

🌟 Now offering 🌟 FULL Amsoil service kits shipped directly to your door! Everything you need for your diesel or gas truc...
08/04/2026

🌟 Now offering 🌟

FULL Amsoil service kits shipped directly to your door! Everything you need for your diesel or gas truck, car, utv, and even boats! Whether it be an oil change kit, fuel filter, or front and rear differential service or winterizing your boat, we can get you taken care of!

Getting this build finished up and will be making some steam here soon! Fully built and spec’d 6.7 bottom end, stage 3 D...
07/08/2026

Getting this build finished up and will be making some steam here soon! Fully built and spec’d 6.7 bottom end, stage 3 D&J head with a side draft intake along with a massive fuel setup and gt55 98mm!

06/04/2026

Testing and data is everything. After running in the 7.70 class this customer wanted to push it further and move into the 6.70 class at ucc and we are doing just that!

LML with a pinhole leak in the factory trans cooler getting taken care of!
05/27/2026

LML with a pinhole leak in the factory trans cooler getting taken care of!

Some 72 Fast class turbo fabrication to start the week!
05/27/2026

Some 72 Fast class turbo fabrication to start the week!

05/18/2026

Austin Denny putting that Max Effort Diesel built motor to the test!

Address

Hartford City, IN
47348

Opening Hours

Monday 7:30am - 5pm
Tuesday 7:30am - 5pm
Wednesday 7:30am - 5pm
Thursday 7:30am - 5pm
Friday 7:30am - 5pm

Telephone

+17654994820

Website

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