Heavy & Medium Duty Repair
Diagnostics and repair on every major heavy and medium duty truck brand. Head gaskets, drivelines, electrical, air systems. We wrench on all of it.
Family-run diesel shop in Crystal Spring, PA. We repair, build, and dial in Cummins, Powerstroke, and Duramax trucks. We stock the performance parts to back it up.
Repair. Parts. Roadside work. Fleet maintenance. All in one shop.
Diagnostics and repair on every major heavy and medium duty truck brand. Head gaskets, drivelines, electrical, air systems. We wrench on all of it.
Cummins, Powerstroke, and Duramax. Routine maintenance, deletes, tunes, and full performance builds.
Broken down? We roll to you. Mobile service for fleets and owner operators across the region.
Scheduled PM programs, DOT inspections, and priority turnaround for commercial fleet accounts.
FASS, BANKS, ARP, Fleece, BMP. We stock the best in diesel and can get anything we don't.
Full tire service for commercial and pickup trucks, plus quality body work to keep your rig looking right.






We stock the best names in diesel. If we don't have it, we can get it.
Turbos, head studs, intakes, and fuel systems for every Cummins generation.
Shop Cummins
Performance parts and replacement components for 7.3, 6.0, 6.4, and 6.7 Powerstrokes.
Shop Powerstroke
LB7 through L5P Duramax parts. Turbos, injectors, cooling, and fuel upgrades.
Shop Duramax
Twisted Creek Diesel tees, hoodies, and hats.
Shop ApparelWe run the same factory scan tools as the dealer. Without the dealer markup or the three week wait.
Medium and heavy duty work is our bread and butter. Cummins ISX, PACCAR, Detroit. We handle it.
Tunes, turbos, fuel systems, head studs. We build diesels that are fast and reliable.
Based in Crystal Spring, PA. We treat your rig like it's ours. No BS estimates.
“Cody and the crew got my 6.7 back on the road in two days when the dealer quoted three weeks. Fair pricing. Good work.”
“Run a small fleet of dump trucks and these guys handle all the maintenance. Never had a comeback. That matters.”
“Built my 5.9 with a full ARP head stud kit and a Fleece turbo. Makes serious power. Hasn't leaked a drop.”
Based in Crystal Spring, serving Bedford, Everett, Breezewood, McConnellsburg, and everywhere within roadside range. In the shop or on the road, we're there.
All of them. Medium and heavy duty including Freightliner, Peterbilt, Kenworth, Mack, Volvo, and International. Plus every major pickup brand with Cummins, Powerstroke, or Duramax. If it runs on diesel, we can fix it.
Yes. Mobile roadside repair for fleets and owner operators across the Crystal Spring area and surrounding region. Call (814) 421-3395 and we'll get a tech to you.
Absolutely. We carry FASS, BANKS, ARP, Fleece Performance, BMP, and more. Browse the Shop page or call us if you need something we don't list.
We do. Scheduled PM programs, DOT inspections, and priority turnaround for commercial fleet accounts. Email cody@tcdiesel.net to talk about a contract.
Yes. Bolt on tunes and exhausts all the way up to full head stud, turbo, and fuel system packages. Performance diesels that are reliable, not just fast.
We're based in Crystal Spring, Pennsylvania. We serve Bedford, Everett, Breezewood, McConnellsburg, and everywhere within reasonable roadside range.
Call the shop. Shoot us an email. Shop parts online. We're ready when you are.
cody@tcdiesel.net