Diesel Fleet Repair and Maintenance
Bullet Automotive & Diesel

When a Truck Goes Down, Your Whole Crew Stops

You know the feeling. It’s 6:15 in the morning, the crew’s loaded up and ready to roll, and one of your rigs cranks but won’t catch. Now three guys are standing around your driveway on the clock, a client’s expecting you by 8, and you’re doing the math on how much this one dead truck is going to cost you before lunch.

That’s the reality of running diesels for a living. Your fleet isn’t a hobby — it’s the machine that pays your mortgage, your crew, and your kid’s cleats. When a shop leaves your truck sitting for days with no update, or hands you a bill full of line items you never approved, it’s not just annoying. It’s money out of your pocket and jobs slipping through your fingers.

We built our diesel fleet program for exactly that person. Straight answers, real turnaround, and pricing you can see coming. This service lives under our full diesel repair services, but it’s tuned specifically for owners running two, five, or twenty vehicles who need them all pulling their weight.

What Diesel Fleet Repair and Maintenance Actually Is

Diesel fleet repair and maintenance is a managed service that keeps a group of work vehicles running on a planned schedule instead of a reactive one. Rather than waiting for a truck to break, we track each unit’s mileage, hours, and service history so problems get caught while they’re still cheap and small.

For a diesel that means everything from routine oil and fuel-filter intervals to the big-ticket systems that keep a Cummins, Powerstroke, or Duramax alive. We handle scheduled preventive maintenance, DOT-style inspections, and the repairs that come out of them. One point of contact for the whole fleet, one shop that already knows your trucks.

The difference from a one-off repair is planning. We’re not just fixing what broke today — we’re mapping what each truck will need next month so you’re never blindsided.

When You Need Fleet Service

If you’re running more than one diesel for work, you’re already a candidate. Beyond that, a few clear triggers tell you it’s time to move from patch-and-pray to a real maintenance program:

  • You’ve had two or more unplanned breakdowns this year that cost you working hours.
  • You’re losing track of which truck is due for oil, filters, or its next inspection.
  • A check engine light has been glowing on one unit for weeks because you can’t spare the downtime.
  • Colorado’s swing from below-freezing mornings to 105-degree afternoons is beating up your batteries, coolant, and glow plugs.
  • You’re towing heavy or hauling equipment daily and want the fleet inspected before something fails on the highway with your name on the door.

If any of that sounds like your week, a scheduled program pays for itself fast in avoided emergencies.

What’s Involved: The Process

We keep it simple and transparent, because you’ve been burned by mystery bills before. Here’s how a fleet relationship works with us:

Fleet intake and baseline. We log every vehicle — make, engine, mileage, hours, and known issues. Each truck gets a comprehensive multi-point inspection so we start from an honest picture, not a guess.

The three-tier report. After inspection, every finding lands in one of three buckets: Safety (fix now), Coming Soon (budget for next), and Down The Road (watch it). You decide what gets done and when. Nobody touches a wrench on your dime without your say-so.

Scheduled maintenance intervals. We set oil, fuel filter, and inspection intervals for each unit and remind you before they come due — so service happens on a slow day, not on your worst one.

Repairs with real turnaround. When something needs fixing, we quote it upfront and get it back to you fast. Our repairs carry a 12 month or 12,000 mile warranty, so a job done once stays done.

How This Fits Into Our Diesel Repair Services

Fleet maintenance is the umbrella — underneath it live the individual repairs your trucks actually need. When our diagnostics flag something specific, we pull from the same deep diesel expertise across every system.

That might mean turbocharger repair on a truck that’s lost boost, DPF cleaning before a clogged filter forces a limp-mode shutdown, or diesel fuel system repair when injectors start acting up. Whether you run a Ram 2500 with a Cummins, an F-250 Powerstroke, or a GM Duramax, the same technicians who inspect your fleet are the ones handling the fix.

We also service the heavier iron. If your operation runs bigger equipment, our box trucks, dump trucks, and semi units all fall under the same program.

What We Check On Every Fleet Diesel

A fleet inspection isn’t a quick walk-around. Our technicians work through the systems that actually strand a working truck:

  • Fuel system, injectors, and filters — the number-one cause of diesel no-starts and power loss.
  • Turbo, EGR, and DPF emissions components that trigger limp mode when neglected.
  • Glow plugs and batteries — critical for cold Colorado mornings when trucks fight to fire.
  • Cooling system, radiator, and water pump under heavy tow loads and summer heat.
  • Brakes, suspension, and steering that take a beating hauling equipment day after day.

Everything we find goes on the report in plain English. No shop-talk designed to confuse you, no ten-item scare list when you came in for one thing.

Why Fleet Maintenance Matters

Skip planned maintenance and the math always catches up with you. A neglected fuel filter starves an injector. A worn glow plug leaves a truck dead on a 20-degree morning. A clogged DPF forces a shutdown in the middle of a paying job. Every one of those is a small, cheap fix if you catch it early — and a lost day plus a big bill if you don’t.

Run a program instead, and the picture flips. You book jobs and take contracts without wondering if a breakdown will blow up your schedule. Your crew stays busy and paid. You load the family in the truck for that camping trip without the low hum of worry every time it makes a noise. And when tax season comes, your maintenance records are already in order.

You’ll happily pay a fair price for repairs that actually last. What you won’t do is gamble your livelihood on a shop you haven’t vetted. We get that — it’s why we shoot straight every single time, on one truck or twenty.

Service Areas We Serve

Owners trust us for honest repair and maintenance close to home, including drivers in these communities: Commerce City, Henderson, Thornton, Lochbuie.

Get Your Fleet on a Schedule That Works

Stop running your business one breakdown at a time. Let’s build a maintenance plan that keeps your diesels earning and takes the guesswork out of what’s coming next. You’ll deal with the same ASE Certified technicians every visit, get repairs backed by our 12 month or 12,000 mile warranty, and always know what you’re paying for before we start.

Bullet Automotive & Diesel
Brighton: 607 E Bridge St., Brighton, CO 80601  ·  720-998-6936
Greeley: 624 13th St., Greeley, CO 80631  ·  970-415-8018
Fort Morgan: 100 Walnut St., Fort Morgan, CO 80701  ·  970-867-2519

Read what your neighbors say in our reviews, then call the shop that works best for you to book your visit. We always shoot straight.

Frequently Asked Questions

How do I know you won’t just find a bunch of extra stuff to charge me for? Every finding from your fleet inspection lands in one of three tiers — Safety (fix now), Coming Soon (budget next), and Down The Road (watch it) — and you decide what gets done and when. We never touch a wrench without your approval, and everything gets explained in plain English so you can see exactly what you’re paying for.
How long will my truck be out of commission for fleet service? How long a truck is down depends on the work, but the whole point of a maintenance program is to schedule service on your slow days so it never blindsides you. Routine intervals like oil and filters are quick turnarounds, and when a real repair comes up we quote it upfront and prioritize getting your rig back to earning fast.
Do you actually know diesels, or just gas engines? We actually know diesels — our ASE Certified technicians work on Cummins, Powerstroke, and Duramax engines every day, handling everything from injectors and turbos to DPF and EGR systems. Diesel is a core part of who we are, not an afterthought bolted onto a gas shop.
Can I put my whole fleet on a maintenance plan, not just one truck? Yes, you can put your whole fleet on a maintenance plan with one point of contact and one shop that already knows every unit. We track each vehicle’s mileage, hours, and service history so nothing slips through the cracks, whether you run two trucks or twenty.
Which diesel engines and fleet vehicles do you service? We service the full range of work diesels, from Ram Cummins, Ford Powerstroke, and GM Duramax pickups to box trucks, dump trucks, and heavier equipment. If it’s part of your working fleet and it runs on diesel, our technicians can inspect, maintain, and repair it.

Ready to Enjoy a Smooth Ride?

Say goodbye to the headaches of breakdowns and constant repairs. Reach out to Bullet Automotive and Diesel today and let’s get you set up with a maintenance plan that fits your needs. We’re here to keep you confidently on the road, ready for every journey ahead.