Cummins Onan Generator Repair in UT, WY & ID

If you’re trying to fix a Cummins Onan generator, restore standby power, or repair a large industrial genset, we’re equipped to diagnose the issue correctly and get your generator repaired quickly.

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25+

Years of Experience

Cummins

Authorized Power Generation Dealer

Mobile

Job Site Repairs

Generator Repair Services by an Authorized Cummins Dealer

WB Engine Repair provides professional diesel generator repair for Onan Cummins generators used in RV, standby, industrial, and mobile power applications. As an authorized Cummins Power Generation dealer, we service generator systems using proper diagnostics, service procedures, and approved parts support. Cummins generators are integrated systems that combine an engine, alternator, controls, and power management components. Reliable repair requires experience with the entire system, not just one component.

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Generator Types We Repair

Standby Diesel Generators

Standby diesel generators provide automatic backup power during outages. We repair standby systems that fail to start, do not transfer properly, or experience shutdowns under load. Proper standby generator repair requires understanding engine readiness, control logic, and transfer coordination.

Prime Power Generators

Prime power generators operate as a primary power source and often run for extended periods. We repair diesel engines and power systems used in prime power applications where cooling performance, fuel efficiency, and long-run reliability are critical.

Industrial and Facility Backup Generators

Industrial and facility backup generators support operations where power interruptions are costly or unsafe. We repair generator systems used in commercial, industrial, and infrastructure environments, addressing engine performance, electrical output, and control system reliability.

Mobile and Rental Power Generators

Mobile and rental generators are frequently transported and operated under varying loads and conditions. We repair diesel generator systems used for temporary power, jobsite support, and rental fleets, focusing on dependable starting, stable output, and durability.

Onan Generator Repair

Onan generators are commonly used in RVs, mobile power systems, and standby applications where compact size and dependable output matter. We repair diesel-powered Onan generator systems experiencing starting issues, load-related shutdowns, power instability, or control faults.

Containerized and Packaged Generator Units

Containerized diesel generators are designed for portability, noise control, and environmental protection. We repair generator engines and systems housed in containers, including cooling packages, radiators, controls, and power output components, often without removing the entire unit from service.

Paralleled Generator Systems

Paralleled generator systems use multiple units operating together to share load. We repair diesel generators and associated systems involved in paralleling applications, where synchronization, load sharing, and control accuracy are essential to system stability.

Generator Systems with ATS and Power Distribution Equipment

Many diesel generator systems operate in conjunction with automatic transfer switches and power distribution equipment. We service generator-related components that interact with ATS and power controls to ensure proper starting, transfer, and power delivery during outages or load changes.

RV Generator Repair & Service

RV generators are exposed to vibration, heat, weather, and long periods of inactivity, all of which can impact performance over time. Our team provides professional Cummins Onan RV generator repair and service to diagnose issues, restore reliable operation, and help extend the life of your generator.

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On-Site Generator Repair

Generator failures don’t always happen in convenient locations. Our mobile diesel generator repair service allows us to diagnose and repair generators directly on-site whenever feasible, including:

Standby generators installed at facilities
Containerized and rental generators
Jobsite and industrial power systems
Situations where transport is impractical or costly

On-site service is often the fastest way to identify load-related issues, cooling failures, or control problems that don’t appear during off-site testing.