DIESEL TRUCK REPAIR DENVER CO - 24/7 MOBILE & FLEET DIESEL MECHANICS
ASE-Certified diesel truck repair throughout the Denver Metro area at Diesel Repair Denver. Our 24-hour mobile diesel mechanics are experts in roadside breakdowns, engine diagnostics, fleet maintenance, and DPF/DEF issues. Whether you operate a semi-truck or oversee a fleet, we’ll get you back on the road - quickly.
$50 Off ANY Diesel Repair Over $300 - Book Today and Save!
Plus: Free Diesel Diagnostic With Your Repair - Limited Time Only!
Complete Diesel Mechanic & Truck Repair Services in Denver CO
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 & Heavy-Duty Diesel Repair Denver
- Medium-duty truck repair services in Denver
- 24/7 Emergency Roadside Diesel Repair Near Denver - Mobile Truck Service
- 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
Looking for a quick quote? Get details on our mobile diesel mechanic Denver services or diesel truck repair Denver.
Whether you need an oil change, fleet maintenance, DOT inspections, or major engine repairs like replacing your cylinder head or fuel injectors - our ASE-Certified diesel mechanics 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.
Get Your Free Diesel Quote!
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Need Diesel Repair Fast? Call for Your Free Quote Now! (720) 477-7781
Diesel Mechanic Denver - Diagnostics, Engine Repair & Preventative Maintenance
As one of the top Diesel Mechanic Shops in Denver, CO
we pride our-self on offering superior
Diesel Maintenance
when you need it most. We’re Denver Colorado's favorite Diesel Repair Shop for all diesel repairs including mobile roadside seervices, scheduled Fleet Maintenance and in shop repairs. 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 in Denver, CO. If your check engine light is on, stop in and see our
Diesel Mechanic in Denver CO. 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. Contact Us for any diesel service including oil changes, tire rotations, engine rebuilds, and brake replacements.
Expert Diesel Repair & Fleet Maintenance Solutions
HEAVY-DUTY DIESEL TRUCK REPAIR DENVER (ENGINE, TRANSMISSION,DPF)
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 DENVER - 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 DENVER CO - DOT & PREVENTATIVE MAINTENANCE
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.
Heavy Duty Truck Repair in Denver
High-Quality Diesel Repair & Affordable Pricing in Denver Metro and surrounding areas
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 Diesel Repair Denver Today!
Diesel Repair Denver Truck Blog - Expert Tips, Maintenance & Truck Services
Stay Ahead of Truck Repairs with Our Expert Diesel 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!
#1 Diesel Repair Shop Denver - Semi‑Truck, Box Truck & Fleet Service
At Diesel Repair Denver, we specialize in heavy-duty diesel truck repair services in Denver, CO, ensuring your truck stays on the road and running at peak performance. Our certified diesel mechanics in Denver 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
Call Diesel Repair Denver Today!
(720) 477-7781
FREQUENTLY ASKED QUESTIONS ABOUT DIESEL TRUCK REPAIR IN DENVER CO
How do I find a good diesel mechanic in Denver?
Find an ASE‑Certified diesel mechanic in Denver with experience servicing your truck make (Freightliner, Volvo, Peterbilt, etc) who provides a written warranty and has newish 5‑star Google reviews. Reliable, certified, and trustworthy; at Diesel Repair Denver, we are all three - and we even offer mobile diesel services 24/7!
Why are diesel repairs more expensive?
Diesel engines use heavier‑duty parts, higher‑pressure fuel systems, and specialized diagnostics. Labor times are longer and OEM components cost more than gasoline equivalents. We keep costs down with transparent pricing and free engine diagnostics when you approve the repair. Diesel repairs are also more expensive because diesel engines in general are much bigger than gasoline engines so just on materials alone they will be more expensive.
How much does a diesel mechanic shop charge per hour?
In the Denver metro area, hourly labor for
diesel truck repair ranges from $125-$175, depending on engine class and the complexity of the job. Our standard shop rate is $139/hr - mobilization fees apply for roadside service outside a 25‑mile radius. We offer payment plans in case you cannot pay up front for diesel repairs.
How much does diesel engine diagnostics cost in Denver, CO?
Standard engine and transmission diagnostics for diesel cost even less - at around $149 for diesel engine diagnostics service in Denver. Your diagnostic fee can be applied to the repair. Our trained mechanics connect to your truck's ECM and scan disk error codes to ensure there are no potential problems that can become an issue in the future. We work on all the major diesels like Cummins, Paccar, Duramax and Power Stroke, as well as heavy duty diesel fleet trucks. Varying from a check engine light to a loss of power, or even an emissions issue, we offer quick and precise diesel truck diagnostics in Denver.
When is the time to have your diesel truck checked with diagnostics?
Rough idling, hard to start, the fuel consumption is getting low, black smoke, or that "check engine" on. The diagnostic scan is your best friend in this stage. Denver streets and altitude can be tough on diesel engines - spotting small problems before they cause major breakdowns.
Do you provide mobile diesel diagnostics in Denver?
Yes, we provide local mobile diesel diagnostics in the Denver metro. We deliver diagnostic equipment directly to your fleet yard, job site, or your breakdown spot. Perfect for fleet trucks, box trucks, and mobile contractors.
How long does a diesel diagnostic take in the shop or on the go?
It will take us 1-2 hours on average, in most cases, to diagnose diesel common issues. We give a written report and quote, and if you go ahead with the repair there’s no diagnostic fee. We give you
What types of diesel engines do you diagnose and repair in Denver, CO?
We service, and diagnose all Cummins, Peterbilt, Paccar, Volvo, Duramax, Power Stroke, Detroit Diesel, CAT, MAC, Freightliner, and many other heavy duty engines used in commercial trucks and equipment.
