CAT Equipment Repair
Expert mobile Caterpillar equipment repair in Utah. On-site diagnostics for CAT excavators, dozers, and loaders. Licensed contractor field service.

Caterpillar Field Service: Keeping the Yellow Iron Moving in Utah
CAT iron is the gold standard on any Utah jobsite, but even the best machines need a pro’s touch when things go south! I’ve spent 25 years working on Caterpillar excavators, dozers, and loaders across the Wasatch Front, and I know that when a CAT goes down, the stakes are high. These machines are built to move massive amounts of earth, and every hour they sit idle is a huge hit to your bottom line. At Iron Horse Field Service, we provide the expert mobile diagnostics needed to keep your yellow iron in the dirt and out of the shop.
Modern Caterpillar equipment is basically a high-speed computer with a bucket attached. If you’re seeing 'Check Engine' lights or your machine is going into 'Limp Mode,' you need more than just a wrench—you need the CAT ET diagnostic software. We bring the dealership-level laptops directly to your site in Salt Lake City, Tooele, or Ogden. We specialize in troubleshooting complex aftertreatment issues like DPF and SCR failures, as well as the high-pressure hydraulic systems that make these machines so powerful. We don't guess at parts; we find the truth in the data.
Think of us as your rugged, independent alternative to the big dealer shops. We offer the same level of expertise and diagnostic power, but with a much faster response time and a personal commitment to your uptime. Whether it’s a 320 excavator with a hydraulic drift or a D6 dozer with a transmission slip, we’ve seen it and fixed it in the dirt. We’re a licensed contractor, and we take immense pride in being the first call for Utah fleet owners who need their CAT equipment back in action fast. Let’s get that iron moving!
Commitment
Fast response, clear options.
Our goal is simple: keep your equipment running and your project on schedule. We troubleshoot, repair, and rebuild with a focus on reducing downtime.
Licensed + Insured
We are fully licensed and insured for your peace of mind and compliance.
Reliable Technicians
Our team brings consistent, skilled service to every jobsite.
25+ Years Experience
Our team has over 25 years of combined experience on heavy equipment and mobile repair.
25+
Years Experience
UT
Primary Service Area
Tooele–Park City
· Ogden–Orem
Licensed
+ Insured
Capabilities
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Service Area Coverage
Choose a market to view local coverage and dispatch details for this capability.
Our Google Business Profile service area focuses on the highest-density markets within ~2 hours of Tooele. The broader list below covers every Utah area we dispatch into — if your city isn't in the tight zone, call us directly and we'll route a technician.
Localized Service Pages
Schedule your onsite diagnostic
Provide your machine details and symptoms. We prioritize down units for immediate response.