Cummins Onan Standby Generators

National Standby Repair offers sales, service, and certified warranty repair for Cummins Onan standby generators.


National Standby Repair is an authorized Cummins Onan dealer, offering a full range of sales and service. Whether you’re looking for a residential or commercial standby generator, National Standby Repair can find the right Cummins Onan model for you.

A world leader in the development, design, and manufacture of electrical power generation equipment, Cummins is ready to provide reliable, efficient, and fully integrated power solutions to help you keep the lights on.

With products at power levels ranging from 2.5 to 3,500 kW, Cummins generators are perfect for every setting, bringing quality service to residential, commercial, industrial, and mobile usages.

Cummins is powered by their unique and remarkable expertise in every aspect of generator design and manufacture, offering an integral approach that develops the total system in harmony. Cummins generators come with a single-source warranty for guaranteed functionality.

Do you have an Onan standby generator? Cummins officially acquired the Onan brand in the early 90s. National Standby Repair also offers full service and repairs for older model Onan standby generators.

Standby Generator Brands For Sale

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