Whether you’re hauling freight, managing a fleet, or driving a family RV, Denver Diesel & Automotive keeps your vehicle running strong. We provide fast, honest, and expert service for diesel and gas vehicles throughout Berks, Lancaster, Lebanon, York, Dauphin, and surrounding counties.
Family-owned and trusted by drivers and fleets since 2015.
🕓 24/7 Emergency Roadside
🚚 Mobile Truck Repair
⚙️ Certified Diesel Mechanics
Diesel Expertise That Goes the Distance
From light-duty pickups to Class 8 trucks and RVs, our diesel mechanics provide complete repair and maintenance services for every diesel engine on the road. Whether you’re in Reading, Ephrata, York, Lebanon, or Harrisburg, our mobile team and in-shop experts are ready when you need us. Call (717) 445-5390 for Fast Service.
Comprehensive Diesel & Auto Repair Services
Heavy-Duty Truck Repairs
Full engine diagnostics, brakes, suspension, electrical, and transmission work for semi trucks and commercial fleets.
Light-Duty Diesel Repair
Maintenance and repair for Powerstroke, Duramax, and Cummins engines — pickups, vans, and work trucks welcome.
General Auto Mechanic Services
Complete diagnostics and repair for both diesel and gas vehicles, including inspections and tune-ups.
RV Repair
Expert maintenance and repair for both diesel and gas RVs — keeping your home on wheels safe, efficient, and road-ready.
Mobile Mechanic & Roadside Assistance
Breakdown on the road? Our mobile team provides emergency repairs and roadside service throughout Central Pennsylvania.
What Drivers Are Saying
“These guys were responsive, helpful and professional… and nice to boot! I have diesel pusher 40 foot with issues and they were all over it – a pleasure to work with. I highly recommend your consideration – I’d use them again in a heartbeat!” – Dan Sullivan
“Would definitely rate 6 stars if possible 👍. I went in thinking I was looking at thousands of dollars worth of repairs, but Jimmy, Evan, and the other guys instantly knew what it was, and I was pleased to discover the final cost of services were well under a thousand. Their customer service, mechanical expertise, and the overall experience was well worth the end result. For awhile I had lost confidence in the reliability of my truck’s driving capability, and now it has been fully restored; thanks to all of the guys at Denver Diesel! Will definitely bring my truck back to them for all of my future services and repairs.” – Tyler King
Why Choose Denver Diesel
Around-the-Clock Availability
Emergency service when you need it most — day or night.
Certified Diesel Mechanics
Skilled professionals who understand every make and model.
Fleet & Individual Service
No job too big or small — we support single vehicles and entire fleets.
Honest Pricing & Dependable Work
Upfront estimates and repairs done right the first time.