Skip to content

Looking for generator service? We’ve got you covered

Looking for generator service? We’ve got you covered

When a service company closes, your maintenance schedule shouldn’t fall through the cracks. Generator Source is Colorado-based, in-stock, and ready to pick up where your last provider left off.

Find a generator

Live inventory · 350+ units in stock

Request a rental

Request a quote · nationwide delivery


    [hidden ip-address default:"[_remote_ip]

    "]

    Schedule service

    24/7 emergency response · EGSA certified techs


      [hidden ip-address default:"[_remote_ip]

      "]

      Sell your generator

      We own what we buy · cash offers

        Images (Optional - 5MB each max size) - view the Essential Photo Guide


        [hidden ip-address default:"[_remote_ip]

        "]

        In addition to being one of the largest sources for commercial and industrial surplus new and used power generators, Generator Source provides a variety of services to assist customers with their on-site power generation needs and requirements. We offer a wide range of service solutions here at our shop or our technicians will travel on-site to service industrial generators as needed in our service area. Our fleet of service trucks offer maintenance, 24/7 emergency service, repairs, diesel fuel delivery, and custom service solutions.

        Generator Source technician working on cat generator

        Generator Source is the largest reseller/servicer of commercial generators in the US. We service all brands including Generac, CAT, Cummins, Rehlko (formerly Kohler) and many many more.

        Generator Source crane loading a Cummins generator onta a service truck

        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.

        Contact us for a free inspection / generator service


        Video Thumbnail

        Still have power questions?

        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.