Westcliffe, Colorado
Your Diesel Engine Deserves More Than Guesswork
Precision diagnostics. Honest assessments. No shortcuts — just the kind of thorough, no-nonsense repair that keeps heavy-duty rigs on the road and away from the shop.
What We Do
Complete Diesel Service & Repair
From routine maintenance to complex engine overhauls, we handle the full spectrum of diesel care with the care your equipment demands.
Engine Diagnostics
Advanced computer diagnostics to pinpoint issues fast — fuel system faults, sensor failures, emission errors, and more. We read the data, not just the symptom.
Engine Repair & Rebuild
Complete engine teardowns, bottom-end work, head service, and full rebuilds. Whether it's a Caterpillar, Cummins, or Detroit Diesel — we've got the expertise.
Transmission & Drivetrain
Transmission service, clutch replacement, and driveline repairs for Class 4 through Class 8 vehicles. Get back on the road with confidence.
Preventive Maintenance
Scheduled oil changes, filter replacements, fluid checks, and inspection protocols designed to catch problems before they become roadside breakdowns.
Fuel System Service
Injector testing, fuel pump repair, and complete fuel system cleaning. We keep your engine burning clean and running efficiently.
Brake & Air System
Full brake inspections, air compressor service, and complete brake system overhauls. Safety-critical work done right the first time.
About BossPro Diesel
Built on Hard Work and Honest Trade
BossPro Diesel was founded on a simple belief: your truck deserves the same attention a master mechanic gives their own. Based right here in Westcliffe, Colorado, we've spent years earning the trust of local fleets, owner-operators, and ranch owners who rely on their diesel equipment every single day.
We're not a chain shop. We don't rush jobs to fill bays. Every repair we do is done with the understanding that a diesel engine in this part of the world isn't just a component — it's the difference between getting the job done and falling behind.
Why Choose Us
The BossPro Difference
No Surprises
We explain what's wrong, what needs to be done, and what it'll cost — before we touch a bolt. No hidden fees, no upsells, no confusion.
Right the First Time
We take the time to diagnose properly. A quick fix that fails in a week costs you more than a thorough repair done once.
Known to This Ground
Operating in East Central Colorado means we understand the terrain, the weather, and the demands your equipment faces out here.
Your Truck, Your Schedule
We work around your route and your deadlines. When you need us, we make it happen — because every day off the road is money lost.
Contact Us
Get in Touch
103 Ridgeline Dr
Westcliffe, CO 81252-8558
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