Joe Hatch, Owner & Service Manager

Mid-Coast Diesel Performance – Heavy Duty Diesel Repair

With over 23 years in the industry, Joe knows Class 8 trucks inside and out. From Western Star, Freightliners and Kenworths- to Peterbilts and Volvos.

Joe started turning wrenches at age 30 and began his career at Daigle & Houghton quickly developing a reputation for honest diagnostics and repairs that hold up for the long run. He earned his associates degree in Applied Science for Diesel, Truck, and Heavy Equipment, took additional trainings through dealerships focusing primarily on Cummins, CAT, and internationals, as well as many others. In 2014, he partnered with Mike, from Mid-Coast Diesel Marine, to launch Mid-Coast Diesel Performance. They built the shop to give independent truckers, fleet owners and local commercial fishermen a reliable, trustworthy partner for their diesel needs.

Jeremy is the go-to guy in the shop when a Class 8 truck needs serious attention. With 16 years working on heavy-duty rigs, he handles the toughest diagnostics and repairs - with zero guesswork.

Starting out as a technician with Cushing Diesel, Jeremy has worked his way up by mastering engines, aftertreatment, drivetrains, and electrical. Today, he leads our team on:


Engine Work: Cummins, Detroit, CAT — from PMs to full rebuilds
Transmissions & Clutches: Eaton, Allison, manual and automated
Brakes & Suspension: Air disc, drum, ABS, steering, DOT inspections
Advanced Diagnostics: fault code tracing, wiring harness repair

Certifications
Inspection Technician | Cummins Certified Electrical Theory and Troubleshooting| Bendix Air Brake Diagnostics and Repair | Refrigerant Training and Recycling

jeremy overlock, lead technician

Mid-Coast Diesel Performance – Heavy Duty Diesel Repair

Shop Role
As lead tech, it isnt just about being the best at what you do - it’s about ownership of the diagnosis, repair and the outcome as well as standing by what you do. He’s built a reputation with our customers for transparent diagnostics and minimal downtime on complex Class 8 repairs.

jeremy gammon, diesel technician

Mid-Coast Diesel Performance – Heavy Duty Diesel Repair

New to us, not new to this - meet Jeremy, he has been working as a diesel mechanic for over 20 years. He came to us from O’Connors, where he took a special interest in engine repairs. He didn't hesitate to jump in and has already tackled an in-frame overhaul and is on to the next.

As a 4th generation mechanic, he started at O’Connors right out of high school. Then moving on to O’Hara Corporation where he worked with marine engines for 7 years. He found himself missing the truck side of mechanics and went back to O’Connors for another 5 years. Jeremy brings more than just experience to the shop, he’s trained in:

Engine Work: CAT, Cummins, Detroit, Volvo/Mack — from overhauls, electrical troubleshooting, to fuel and aftertreatment troubleshooting
Brakes & Suspension: Air disc, drum, ABS, steering, DOT inspections
Advanced Diagnostics: fault code tracing, wiring harness repair

Certifications
Inspection Technician | Cummins Mid-Range/Heavy Duty Engine Diagnostics | Cummins ISB/C/L Engine Mechanical Qualification | Cummins ISX/X15 Engine Mechanical Qualification | Detroit Heavy Duty Basic Diagnostic Repair | Detroit Major Diagnostic Repair | Detroit Heavy Duty Air and Aftertreatment Diagnostics | Detroit Heavy Duty Fuel System Diagnostics | Western Star Heavy Duty Air, Clutch, Steering, Wheel End & Air Brake Truck Systems | Western Star Basic and Advanced Electrical Trouble Shooting | Western Star Electronic Stystems Troubleshooting (ECU) | Volvo/Mack Expert Technician | Volvo/Mack Diagnostic Master Technician | Volvo/Mack Engine Master Technician | Volvo/Mack Elite Technician

What Sets our Shop Apart:

We are heavy duty specialists, we focus exclusively on Class 8 trucks — engine rebuilds, aftertreatment, transmissions, brakes, electrical, and DOT inspections.

Downtime Killers:

We know your truck doesn’t make money sitting in a bay. We do our best to have efficient turnaround time while also ensuring that we are doing honest work. 

Straight Talk:

We diagnose it, price it, and fix it right the first time. No scare tactics needed. We are a small shop built on honesty, integrity, craftsmanship, and treating our customers like family.