Full-Service Diesel Truck Repair in Denver
At Diesel Repair Denver, we specialize in semi-truck repair, fleet maintenance, and 24/7 roadside assistance. Our expert diesel mechanics are ASE-certified and have extensive experience servicing Freightliner, Peterbilt, Volvo, International, and medium-duty trucks.
Our Denver diesel truck repair shop offers:
- Semi-truck repair and heavy-duty vehicle maintenance
- Medium-duty truck repair services in Denver
- Emergency roadside truck repair in Denver for breakdowns and urgent fixes
- Hydraulic cylinder repair in Denver for dump trucks and trailers
- Trailer repair in Denver, including brakes, axles, and wiring
- Truck parts in Denver, Colorado, including filters, batteries, and DEF system components
Whether you need an oil change Denver, fleet maintenance, DOT inspections, or major engine repairs, our well-equipped diesel shop in Denver, CO ensures the job is done right the first time. We proudly serve independent truckers, fleet operators, and logistics companies across the Denver Metro area.
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(720) 477-7781
Diesel Mechanic Denver CO
As one of the top
Denver Colorado Diesel Mechanic Shops
we pride our-self on offering superior
Diesel Maintenance
when you need it most. We’re Denver Colorado's favorite Diesel Repair Shop for scheduled Fleet Maintenance. Outside of
Diesel Maintenance, we also offer more complex diesel repairs including CV, axle, and brake repairs, water pumps, timing belts, engine diagnostics, ABS systems, radiators, heater cores, belts, hoses as well as
hydraulic cylinder repair denver. If your check engine light is on, stop in and see our
Diesel Mechanics Experts in Denver Colorado. Need help with your transmission? We can also assist with transmission service and repair. Need your engine rebuilt in Denver CO? We can help with that too..
Expert Diesel Repair & Fleet Maintenance Solutions

EXPERT DIESEL REPAIR & FLEET MAINTENANCE SOLUTIONS
Semi-Truck & Heavy-Duty Diesel Repair in Denver
We specialize in semi-truck repair, fleet maintenance, and diesel engine services for Freightliner, Peterbilt, Volvo, International, and Mack trucks.
- Engine diagnostics, transmission repair & hydraulic cylinder repair
- Brake system service – Air brakes, drum brakes & ABS systems
- DPF cleaning, DEF system troubleshooting & EGR repairs
- hydraulic cylinder repair Denver
Looking for a semi-truck repair shop in Denver? Call now for scheduled maintenance or emergency repairs.

24/7 MOBILE DIESEL REPAIR & ROADSIDE ASSISTANCE
On-Site Truck Repair in Denver – Fast, Reliable & 24/7
Our mobile diesel mechanics provide roadside truck repair in Denver, minimizing downtime and getting you back on the road fast.
- Brake repairs – Air brakes, drum brakes & hydraulic systems
- Battery, alternator & starter issues
- Fuel system failures & DEF system malfunctions
- Hydraulic cylinder repair for dump trucks & trailers
Need 24-hour emergency truck repair in Denver? Call now!

FLEET MAINTENANCE & TRAILER REPAIR SERVICES IN DENVER CO
Fleet Maintenance & Trailer Repair – Keep Your Trucks Running
We offer custom fleet maintenance and trailer repair services in Denver to prevent costly breakdowns.
- Fleet maintenance for semi-trucks, box trucks & heavy-duty vehicles
- Preventative maintenance to extend truck lifespan
- Trailer repair – Axles, brakes, suspension & electrical systems
- Hydraulic system repairs for liftgates, trailers & dump trucks
Need dependable fleet maintenance in Denver? Schedule your next service today.
Diesel Truck Repair Denver Colorado
High-Quality Diesel Repair & Affordable Pricing
At Diesel Repair Denver, we are committed to delivering top-tier semi-truck repair services at competitive rates. As a family-run business we take pride in our expert diesel mechanics, reliable service, and strong customer relationships.
- Freightliner Cascadia, Volvo, Peterbilt, Mack & International truck repair in Denver
- Brake repairs, transmission service & hydraulic cylinder repair
- Trailer repair, fleet maintenance & DOT inspections
If you need heavy-duty or medium-duty truck repair in Denver, our team is ready to help!!
Contact Us Today!
Diesel Repair Denver Blog | Expert Tips, Maintenance & Truck Services
Stay Ahead of Truck Repairs with Our Expert Blog
Want to avoid costly breakdowns and keep your truck in top condition? Our blog covers:
- Common diesel engine problems & how to prevent them
- Best practices for fleet maintenance in Denver
- Troubleshooting DEF & EGR system issues in Freightliner & Volvo trucks
Read Our Latest Diesel Repair Blog Posts
Latest Diesel Repair Tips & Updates in Denver
Stay ahead of diesel engine issues with our latest blog posts! From expert repair tips and maintenance advice to the best diesel services in Denver, our newest articles keep you informed and on the road. Check out the latest updates below!



Denver’s #1 Diesel Repair Shop for Semi-Trucks & Heavy-Duty Vehicles
At Diesel Repair Denver, we specialize in comprehensive diesel truck repair services in Denver, CO, ensuring your truck stays on the road and running at peak performance. Our certified diesel mechanics provide:
Complete diagnostics & repairs for Freightliner, Peterbilt, Volvo, International, Mack & Kenworth trucks
Brake system services – Air brakes, drum brakes, hydraulic brakes & ABS troubleshooting
Fleet maintenance programs for semi-trucks, box trucks & heavy-duty vehicles
Emergency roadside truck repair in Denver & surrounding areas
Transmission service, engine rebuilds & full preventative maintenance
Need a trusted diesel mechanic in Denver? Call now to schedule service! (720) 477-7781