Diesel Truck Performance & Repair
Specialize in diesel truck repair, performance, and upgrades
Overview
Diesel performance shops charge $100-$150 per hour.
Servicing 60-150 trucks monthly generates $250,000-$1,200,000 annually with 55-75% margins.
In 2025, diesel truck owners modify for towing, performance, and efficiency.
Services include diesel performance tuning, turbo upgrades and installation, exhaust systems and DPF delete (off-road), lift kits and suspension, transmission upgrades, and diesel diagnostics and repair.
Successful diesel shops understand diesel engine management systems, work with common platforms (Cummins, Duramax, Power Stroke), provide dyno tuning, maintain parts relationships, and build through truck community.
Emissions compliance varies by state.
Marketing through truck clubs, forums, diesel events, and social media.
Required Skills
- Diesel Engine Knowledge
- Turbocharger Work
- Tuning & Programming
- Heavy Vehicle Repair
- Diagnostics
- Emissions Compliance
Pros and Cons
Pros
- Growing diesel performance market
- Truck owners invest heavily in modifications
- Mix of repair and performance work
- Passionate diesel truck community
- Multiple revenue streams
Cons
- Emissions regulations complex and varying
- Need diesel-specific knowledge and equipment
- Heavy truck work physical
- Liability for performance modifications
- Competition from dealerships
How to Get Started
- Master diesel engine repair and performance
- Invest in diesel diagnostic and tuning equipment
- Set up shop accommodating large trucks
- Build relationships with parts suppliers
- Understand state emissions regulations
- Market through diesel truck community
- Provide dyno tuning and proven performance
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