


We use OEM-level Cummins diagnostic software and procedures, ensuring accurate troubleshooting across ISB, ISL, X15, QSL, QSX, QSK and more.
Yes. Aftertreatment failures cause many derates. We repair DPF, SCR, DEF dosing, sensors, regens, and emissions-related issues using proper Cummins service methods.
In many cases, yes. We perform on-site in-frame rebuilds, component replacements, and major repairs depending on equipment and conditions.
Absolutely. We repair haul trucks, mining excavators, and other diesel engine machinery where they sit.
Common diesel engine issues include power loss, aftertreatment faults, fuel injector problems, turbocharger failures, cooling system issues, electrical or sensor faults, and failed regens. Many of these problems are interconnected, which is why proper diagnostics are essential before repairs begin.
Yes. While WB Engine Repair specializes in Cummins engines, we have over 25 years of hands-on experience working across a wide range of diesel engine platforms. Our background includes extensive work on equipment from OEMs such as Komatsu, Hitachi, Atlas Copco, and other diesel-powered manufacturers. If your equipment runs on a diesel engine, we have the knowledge and experience to diagnose and repair it correctly.
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Utah locations often receive same-day or next-day service. Idaho and Wyoming scheduling depends on technician routing, and it's recommended to call for timing.
Yes. You receive complete digital repair reports for compliance, warranty tracking, and fleet maintenance logs.
We evaluate engine condition using diagnostics, fault codes, performance data, and physical inspection. Factors such as engine hours, failure type, internal damage, and overall engine health all play a role. Our goal is to recommend the most practical and cost-effective solution based on long-term reliability—not just the fastest fix.

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