Generator Service
Generator Service & Maintenance
Power When It Matters Most
At Rocky Mountain Powertrain, we know what it takes to keep engines running—and that starts with understanding them inside and out. Our team brings decades of hands-on experience in engine repair to every generator we service, whether it’s diesel, natural gas, mobile, or stationary. From large-scale industrial systems to residential standby units, we’ve got the expertise to keep your power on, no matter the brand or build.
Preventative Maintenance
Proactive Plans That Fit Your Generator—and Your Operation
We don’t believe in one-size-fits-all maintenance. Our preventative maintenance programs are built around your generator’s specific application, frequency of use, environment, and operating demands. Whether you’re maintaining a single unit or a fleet across multiple sites, we’ll develop a plan that keeps your equipment ready and reliable.
Maintenance Services
Scheduled inspections
Oil, fuel, and air filter changes
Coolant testing and treatment
Eco-friendly waste disposal
Complete load bank and electrical testing
Transfer switch maintenance
Fuel cleaning and filtration
Full system evaluations
(radiator airflow, engine cooling, fuel storage, switching/control systems)
Available Service Intervals
Monthly, quarterly, semi-annual, annual, or as-needed emergency response.
Generator Repairs & Rebuilds
Fast Fixes. Full Overhauls. Everything In Between.
If your generator’s acting up—or not acting at all—we’ll get to the bottom of it. RMPT provides complete diagnostics, repairs, and testing to restore performance and extend equipment life. From component-level fixes to full unit refurbishments, our team is equipped to get your generator back online.
We Repair And Service
Engines, alternators, voltage regulators
Cooling, exhaust, and lubrication systems
Control panels, battery chargers
Enclosures, sound attenuation, and weatherproofing systems
Repairs can be handled at our fully equipped shop or on-site by our mobile service team—whatever gets you powered up faster.
Transfer Switch Support
Essential To Seamless Power Transfer
A generator is only as good as its transfer switch. RMPT ensures your Automatic Transfer Switch (ATS) is properly maintained, compliant, and ready to respond in a moment’s notice.
Our Services Include
NFPA 110-compliant annual ATS maintenance
Diagnostics and troubleshooting
ATS repair and full replacement
From commercial sites to critical power facilities, we make sure the transfer of power is smooth, safe, and seamless.
Load Bank Testing
Test with Confidence. Operate with Certainty.
We offer both resistive and reactive load bank testing to ensure your generator performs exactly as it should under real-world demand. Every test is followed by a detailed report, giving you clear insights and recommended next steps.
Ideal For
Annual compliance (NFPA 110, etc.)
Pre-deployment or pre-sale testing
Post-repair validation
Generators that sit idle for long periods
All Makes. All Models.
We work on diesel and natural gas/LP generators from all manufacturers. From standby units to mobile prime power systems, we’ve got you covered.
Skilled Technicians. Expanded Facility.
Our growing team of certified field techs and our newly expanded facility mean faster response times and more capacity to handle in-depth repairs.
Control panels, battery chargers
Every service meets or exceeds the latest standards from NFPA, NEMA, GSA, and more—because cutting corners isn’t how we operate.