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Industrial Generator Service & Repair

Industrial Generator Service & Repair

EGSA-certified maintenance, emergency repair, fuel delivery, load bank testing and custom solutions for diesel and natural gas units, 20 kW to 4 MW. Service from Colorado, Florida, and Texas.

Find a generator

Live inventory · 350+ units in stock

Request a rental

Request a quote · nationwide delivery


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    Schedule service

    24/7 emergency response · EGSA certified techs


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      Sell your generator

      We own what we buy · cash offers

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        24/7 Service Available

        With 24/7 service, nationwide shipping, and state-of-the-art facilities across Colorado, Florida, and Texas, Generator Source is your trusted partner for power solutions wherever you are.


        No two power systems are the same; applications, loads, and environmental factors vary from site to site. While the guide below outlines our standard recommended preventative maintenance for the first 36 months of operation, we recognize that your facility may have unique demands. We are fully equipped to customize a service plan that specifically aligns with your equipment usage and uptime requirements.

        This 31-point inspection examines all critical components to identify potential issues before they become costly problems.

        The PM2 includes everything in our quarterly PM1 inspection, plus an oil change, air & coolant filters, and a load bank test.

        This Preventative Maintenance 3 includes all PM1 & PM2 items plus replacement of coolant, hoses, gaskets, and thermostats.

        Our Techs are EGSA Certified

        Our certified EGSA technicians deliver exceptional, hands-on expertise that our customers rely on. 

        Still have questions or looking for more information?

        Generator Source specializes in low-hour, used, new, and surplus generator sets. We have a wide variety of generator sizes and models to fit any project. We are not a broker, we own what we sell.
        Call us today (877-866-6895) or click Contact Us to be connected with one of our experienced sales reps. 
        We have 350+ generators in stock and ready to ship!

        Still have questions or looking for more information?

        Generator Service FAQ

        Generator Service FAQ

        Got a question about generator maintenance? Our Service FAQs page covers it. Find clear answers on preventive maintenance intervals, load bank testing, fuel polishing, wet stacking, ATS issues, and NFPA 110 compliance. Written by the technicians who actually service generators in the field every day.

        Custom power solutions, engineered to spec. ATS installation, control panel upgrades, frequency conversions, voltage changes, custom fabrication, paralleling, load bank testing, and oil analysis — all backed by expertise across Deep Sea, Woodward, Caterpillar EMCP, and Cummins Power Command. Tell us what you need.

        Kohler 2250kW Generator with MTU Engine becoming enclosed

        We Sell & Service All Major Brands