It's Monday morning. Your crew is standing in the yard, coffee in hand, and one of your trucks won't turn over. The job you booked three weeks ago starts in an hour. You already know what that silence under the hood is costing you — and it's a lot more than a repair bill. When a vehicle in your fleet goes down, the whole operation stalls with it.
That's the exact problem Bullet Automotive & Diesel was built to solve. Since 2013, our ASE Certified Technicians have kept work trucks, vans, and heavy equipment running through Colorado's swings from below freezing to 105-degree summer days. We shoot straight, we work fast, and we treat your uptime like it's our own.
You've probably been burned before. The dealership that treated you like a walking wallet. The corner garage that missed the real problem and put you right back in the shop two weeks later. When your livelihood rides on these trucks, you can't afford a coin-flip on a shop you haven't vetted.
We're Fleet Maintenance Repair Specialists with True Diesel Experience — not generalists who dabble in trucks between oil changes. Our technicians hold ASE Master Certification, we back qualifying work with a 12 month or 12,000 Mile Warranty, and we've earned Over 800 5-Star Reviews from people who count on their vehicles the way you count on yours.
You'll get a straight diagnosis in plain English, clear priority tiers so you know what's a safety must-fix now versus what can wait for the budget, and a Comprehensive Multi-Point Vehicle Inspection on every unit that comes through the bay. No surprise line items. No ten-item list when you came in for one. With locations across the Front Range, we're close to wherever your fleet runs.
A single work truck is a system of systems — engine, drivetrain, brakes, cooling, electrical, suspension — and modern diesels layer on sensors, emissions hardware, and control modules that a code reader alone won't untangle. Multiply that across four trucks and a couple of trailers, and small neglected issues turn into cascading breakdowns that hit at the worst possible time.
Colorado is brutal on fleet vehicles. Temperature swings from below freezing to 105 degrees crack hoses, cook batteries, and stress cooling systems. The elevation changes from the Denver-Metro area up to the mountains push turbos, transmissions, and brakes far harder than flat-country driving ever would.
Trying to keep up on your own — or leaning on a buddy who's good for oil changes — leaves gaps. Scheduled, professional maintenance catches the wear before it strands a driver on the highway. That's the difference between planned downtime you control and emergency downtime that controls you.
Whether you run a pair of contractor trucks or a mixed fleet of vans, diesels, and heavy equipment, we handle the whole vehicle under one roof. That means fewer shops to coordinate and one team that knows your fleet's history.
Because we have True Diesel Experience, we're equipped for the trucks that actually run your business. If you rely on Cummins, Powerstroke, or Duramax power, our diesel repair services cover injectors, turbos, DPF systems, and full diesel fleet repair and maintenance.
We also service the specialized equipment most shops turn away. From box trucks and Sprinter vans to dump trucks and heavy equipment, we've got the diagnostic tools and know-how to keep it all working.
We give you a straight answer in plain language, then rank the work by priority — what's a safety must-fix now, what's coming soon, and what can wait down the road. You decide what gets done, on your timeline and your budget. No pressure, no padded lists.
Bullet Automotive & Diesel has been family-owned since 2013, and our name means something to us. We built our reputation on shooting straight with working people who can't afford to be played. When we tell you something needs fixing, it's because it does.
Our team holds ASE Master Certification and works on gas, diesel, and hybrid systems every day. That training is what lets us diagnose complex modern trucks correctly the first time instead of throwing parts at a problem and hoping the code stays off.
We know how Colorado's climate and elevation punish fleet vehicles because we service them here every day. With 5 Convenient Locations and Over 800 5-Star Reviews, we've earned the trust of businesses across the Front Range.
Below-freezing mornings drain weak batteries fast, and a fleet full of hard-starting trucks costs you an hour of productivity before the day even begins. Alternators and starters that have quietly degraded over a hot summer often fail the first cold snap. If one of your trucks has a battery that keeps dying, we test the whole charging system rather than just swapping the battery and sending you off with the same problem.
Interior temps in a parked truck can hit 135 degrees, and loaded diesels climbing grades run their cooling systems near the edge. Cracked hoses, tired water pumps, and old coolant lead to overheating that warps expensive components. When a truck is overheating, catching it early is the difference between a hose and a head gasket.
Fleet trucks carry weight and stop often, so pads, rotors, and air brake components wear faster than on a family car. Ignoring brake noise or a spongy pedal on a loaded truck isn't just a repair issue — it's a safety issue for your driver and everyone on the road.
A lit dash on a modern diesel can mean anything from a loose cap to a failing DPF or EGR system. Driving with the check engine light on and hoping it's nothing is how a cheap fix becomes an expensive one. Our diagnostic equipment pulls the real story so you're not guessing.
Skipping scheduled maintenance feels like saving money right up until a truck strands your driver mid-job. Then you're paying for a tow, an emergency repair at premium urgency, lost billable hours, and a crew standing around unpaid while you scramble. Worse, a missed contract or a client who found someone more reliable can cost you far more than any repair ever would.
A small coolant leak becomes a blown engine. A worn brake becomes a failure while towing. Planned service you control is always cheaper than the breakdown you didn't see coming — and it keeps your family safe when that truck is loaded for a weekend trip.
Fleet Maintenance and Repair is available at all of our locations. Choose the shop nearest your operation: Brighton, Greeley, Fort Morgan, or Fort Lupton.
Businesses across the Front Range and eastern plains rely on us for fleet maintenance and repair, including:
Your trucks are the backbone of your business. Let's keep them running with a shop that shoots straight, works fast, and treats your uptime like it matters — because it does. Whether it's one truck or your whole fleet, we're ready to earn a spot on your speed dial.
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.
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.
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