DIESEL TRUCK REPAIR IN DENVER - 24/7 MOBILE & FLEET DIESEL MECHANICS
Expert diesel truck repair in Denver, Colorado for heavy-duty trucks, semi-trucks, fleets, and medium-duty vehicles. From diagnostics to engine repairs, our ASE-certified mechanics keeps your trucks running strong.
Professional Diesel Truck Repair Services in Denver, CO
We specialize in semi-truck repair, heavy-duty 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 diesel truck repair shop offers:
- Semi-truck & Heavy-Duty Diesel Repair
- Medium-duty truck repair services
- 24/7 Emergency Roadside Assistance and Mobile Repair
- Hydraulic cylinder repair
- Trailer repairs - including brakes, axles, and wiring
Looking for a quick diesel repair quote? Call today to get free repair estimate.
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 ensure the job is done right the first time. We proudly serve independent truckers, fleet operators, and logistics companies across the front range and surrounding areas.
Get Your Free Diesel Quote!
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Licensed & Professional Diesel Mechanics - Diagnostics, Engine Repair & Preventative Maintenance
As one of the premier diesel repair shops in the metro area, we promise to provide you with dependable diesel maintenance and repair when you need them most. From
mobile truck repair services
and scheduled
fleet maintenance
conditional in-shop repairs, our expert technicians do it all. We do CV axles, brakes, water pumps, timing belts, powertrain issues, turbocharger repairs, fuel system diagnostics, engine diagnostics, ABS, radiators, condensers, heater cores, belts, hoses, and hydraulic lift cylinders. If your check engine light is on, stop in and have our ASE certified diesel mechanics inspect your engine and diagnose the issue. We provide transmission service and have experience rebuilding engines, as well as with routine maintenance, including oil change, tire rotation, and brake replacement. Whatever your diesel requirement - we’ve got you covered.
Call Today
for Diesel Repair Services!
Need Diesel Repair Fast? Call Now (720) 477-7781
Expert Diesel Repair & Fleet Maintenance Solutions
HEAVY-DUTY DIESEL TRUCK REPAIR
Semi-Truck & Heavy-Duty Diesel Repair
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
- Fuel system diagnostics, aftertreatment issues
Looking for a local semi-truck repair shop? Call now for scheduled maintenance or emergency repairs.
24/7 MOBILE DIESEL REPAIR - ROADSIDE ASSISTANCE
On-Site Truck Repair – Fast, Reliable & 24/7
Our mobile diesel mechanics provide local roadside truck repair, 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? Call now!
FLEET MAINTENANCE & TRAILER REPAIR - DOT & PREVENTATIVE MAINTENANCE
Fleet Maintenance & Trailer Repair – Keep Your Trucks Running
We offer custom fleet maintenance and trailer repair services 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 your area? Schedule your next service today.
Heavy Duty Truck Repair
High-Quality Diesel Repair & Affordable Pricing
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
- Brake repairs, transmission service & hydraulic cylinder repair
- Trailer repair, fleet maintenance & DOT inspections
If you need heavy-duty or medium-duty truck repair, our team is ready to help!!
Contact Us Today!
Diesel Repair 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
- Troubleshooting DEF & EGR system issues in Freightliner & Volvo trucks
Read Our Latest Diesel Repair Blog Posts
#1 Locally Trusted Diesel Repair Shop - Semi‑Truck, Box Truck & Fleet Service
We specialize in heavy-duty diesel truck repair services, ensuring your truck stays on the road and running at peak performance. Our ASE 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 mobile & roadside truck repair
Transmission service, engine rebuilds & full preventative maintenance
Need a trusted diesel mechanic? Call now to schedule service! (720) 477-7781
Call Diesel Today For Diesel Repair!
(720) 477-7781
FREQUENTLY ASKED QUESTIONS ABOUT DIESEL TRUCK REPAIR SHOP
How do I find a good diesel mechanic in Denver?
Find an ASE‑Certified diesel mechanic 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; 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?
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?
Standard engine and transmission diagnostics for diesel cost even less - at around $149 for diesel engine diagnostics service. 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.
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. Colorado streets and altitude can be tough on diesel engines - spotting small problems before they cause major breakdowns.
Do you provide mobile diesel diagnostics?
Yes, we provide local mobile diesel diagnostics with same-day service. 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?
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.
