JECO is now Iron Buffalo

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We're moving! We will be at our new location:
5590 E 55th Ave, Commerce City, CO 80022 starting December 4th, 2023.

Heavy Truck Repair Services

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Hydraulic Cylinder Repair

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Truck Mounted Crane Repair

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Iron Buffalo Diesel Dyno & Emissions

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Iron Buffalo RV Repair

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Iron Buffalo Heavy Duty Towing

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Truck Repair Shops in Denver, Co & Flathead county, MT

Iron Buffalo proudly provides an integrated, one-stop solution with comprehensive mechanic services from our truck repair shops in Denver, CO & Flathead County, MT. With services including heavy-duty towing, heavy equipment repair & commercial truck repair and maintenance, we focus on quality and customer satisfaction. For all your heavy-duty diesel truck & equipment repair needs, our diesel mechanics will get the job done right. Get in touch with an Iron Buffalo truck repair shop today and schedule the services you require!

  • Medium duty trucks
  • Heavy duty trucks
  • Trailers
  • Truck mounted cranes & conveyors
  • Loaders
  • Commercial & industrial equipment
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Our Truck Repair Services

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Alignment

A wheel alignment can keep your car running safely and effectively by encouraging less tire wear, higher gas mileage, and safer driving conditions. Uneven tire wear may be caused by misaligned wheels.

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Brake Repair

Brake systems are a critical component of any light, medium, and heavy-duty truck and trailer. Brake systems that are not operating properly make it more challenging to slow down, take turns, and stop, putting the driver and other vehicles in danger.

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DOT Inspection

Every commercial vehicle over 10,001 lb operating in the United States, or vehicles transporting hazardous materials regardless of weight, requires, at the minimum, an annual DOT inspection.

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Diagnostics Repair

At Iron Buffalo Truck & Trailer, we specialize in finding solutions for complex, hard-to-diagnose problems. Your vehicle has several systems to alert you to issues, but there are a few warning signs that you should look for, and if found, address immediately.

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Driveline Repair

We offer expert driveline system maintenance and repair services for light, medium, and heavy-duty diesel trucks that can save you from problems down the road.

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EGR & DPF

Most diesel vehicles often experience issues in their exhaust gas recirculation (EGR) and diesel particulate filter (DPF) system.

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Electrical Repair

From starter service to alternator repairs to complex electrical issues, our ASE certified and DOT licensed electrical technicians are heavy-duty experts for your CAT, Cummins, International, Detroit Diesel, Hino, or Paccar engine.

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Engine Conversion

Performing a diesel-engine swap isn’t easy. It takes time, knowledge, and patience. That's why we start every project with a conversation.

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Engine Repair, Overhaul & Rebuild

Iron Buffalo Truck & Trailer rebuilds, repairs, and overhauls heavy duty diesel engines for all makes and models of trucks including Kenworth, Peterbilt, Mack, Hino, International, Isuzu, Volvo, Western Star, and more. We work on all the major engine brands including Detroit Diesel, Cummins, Caterpillar, Paccar, and Volvo.

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Exhaust & Aftertreatment

Exhaust and aftertreatment issues can lead to decreased power, acceleration, fuel economy and cause unanticipated downtime for your truck.

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HVAC System Repair

Whether you're in the middle of a hot summer and in desperate need of air conditioning repair or bracing for a cold winter and need to ensure your heating system is performing properly, cabin comfort is one of the most important aspects for a driver.

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Preventive Maintenance

An ounce of prevention is worth a pound of cure.The saying is never more true than when it comes to preventative maintenance (PM) on your commercial heavy duty truck.

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Suspension Repair

Since the wear of suspension system components is gradual, it can be challenging to notice the signs of an issue until the damage is done. Scheduling an inspection of your suspension system with our experienced technicians today.

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Transmission & Clutch Repair

Issues with your truck's transmission or clutch can put your vehicle out of service, costing you both time and money.

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Denver, CO

Welcome to Iron Buffalo, your trusted partner for industrial equipment and truck repair services in Denver, Colorado. While we are known for our expertise in heavy-duty and medium-duty truck repairs, our specialty lies in the repair and maintenance of various industrial equipment.

1247 East 68th Ave Denver, CO
(303) 623-7049
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Flathead County, MT

Greetings from Big Sky Country! Iron Buffalo is proud to serve the vast terrains of Montana, offering unparalleled mobile repair services for industrial machinery and trucks. As we carve our niche in the heavy and medium-duty truck repair sector, our prowess in handling diverse industrial equipment remains unmatched.

Flathead County, MT
(406)-890-7001
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ASk Us About Our Fleet Maintenance Program

Apply to Iron Buffalo's Truck & Trailer's fleet maintenance program to reduce unscheduled downtime, improve performance, control costs and simplify asset management.

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Truck repair in Denver, Co

Denver, Colorado

Flathead County, Montana

Iron Buffalo Truck & Trailer Repair in Denver, CO & Flathead County, MT

Iron Buffalo was founded over 40 years ago. Over the years, diesel maintenance and repair became the primary revenue stream, with ancillary services in metal fabrication (trailer flatbeds, pup trailers, and racks).

‍Austin White and Mike Schwarz lead Iron Buffalo with an aim to build a brand based on genuine customer service, honesty, and quality.

Read the Iron Buffalo Story
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Customer Reviews

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Mercedes-Benz Sprinter Van Repair

Sprinter Van Repair Pros

Mercedes-Benz Sprinter vans are reliable and well-built. But that doesn’t mean they're free from common problems.
Stop by our Sprinter van repair shop, and we will address any issue with your van.
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Industry Articles

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Iron Buffalo truck repairs

Spotlight on Innovation: Iron Buffalo Truck & Trailer Repair's Feature in TPS

We at Iron Buffalo Truck & Trailer Repair (formerly known as JE-CO Equipment) are exhilarated to be spotlighted by Truck Parts and Service (TPS) for our avant-garde approach to technician training and diesel repair.

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The Right Oil For Your Heavy-Duty Truck

How To Choose The Right Oil For Your Heavy-Duty Truck

It ain’t rocket science, folks, but choosing the right oil for your heavy-duty truck is like picking the right shoes for a marathon. Choose poorly, and you might just find yourself broken down at the side of the road, scratching your head. Here at Iron Buffalo in Denver, CO, we understand the nitty-gritty of engine, transmission, and gear oils. So, let's dive deep, peel back the layers, and shed some light on this slippery subject.

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Top 10 Costly Mistakes Truck Owners Must Avoid In Heavy-Duty Truck Repairs

Top 10 Costly Mistakes Truck Owners Must Avoid In Heavy-Duty Truck Repairs

At Iron Buffalo, we're Mile-High City truck experts. Today, we unveil the top 10 repair mistakes to save you money. Buckle up for a game-changer!

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Je-co

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Iron Buffalo

JE-CO is stepping into a new era as Iron Buffalo. Our new website is on the horizon. Stay with us for the grand reveal!

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