General Diesel Repair // South Dakota
From quick fixes to complex repairs, our techs work on every major diesel platform - Cat, Cummins, Paccar MX, Detroit, and more. We diagnose the real problem, give you honest pricing, and get you back on the road.
Symptoms We See
- ▸Loss of power or poor fuel economy
- ▸Strange noises or vibration
- ▸Warning lights or fault codes
- ▸Hard starting or stalling
- ▸Excessive smoke from the exhaust
What's Included
- ✓Multi-point inspection
- ✓Engine and drivetrain repair
- ✓Computer diagnostics
- ✓Component replacement with quality parts
- ✓Road test verification
Why It Matters
Putting off heavy-duty diesel repair turns a small issue into a major rebuild. A loose injector becomes a scored cylinder. A weak alternator becomes a no-start on I-90. We catch problems early and fix them right the first time.
Why Choose 1776
Dealer-Level Diagnostics
Real scan tools for every major heavy-duty platform - not generic readers.
Experienced Techs
Heavy-duty diesel specialists who've seen it before and know how to fix it right.
Honest Communication
Clear estimates, no upsells, and a call before any scope change.
Fast Turnaround
Six bays and parts relationships that keep your truck moving, not parked.
Frequently Asked Questions
Do you work on all heavy-duty diesel brands?+
Yes - Cat, Cummins, Paccar MX, Detroit, International, and more. We have dealer-level diagnostic tooling for every major platform.
How fast can you get my truck in?+
Most repairs start same-day or next-day. Call us with your fault codes or symptoms and we'll give you a realistic turnaround.
Do you offer estimates?+
Yes. We provide a written estimate after diagnosis and call you before doing any work beyond the approved scope.
Related Services
Diagnostics & Electrical Repair
Fast, accurate fault-code analysis and electrical troubleshooting.
Learn More →Engine Repair, Rebuild & Overhaul
In-frame and out-of-frame overhauls for Cat, Cummins, Paccar, Detroit.
Learn More →Preventive Maintenance
Scheduled PM service that keeps trucks out of the breakdown lane.
Learn More →Truck Down? Call Now.
Give us your fault codes or symptoms. You get a straight answer in plain language.