GenTune LLC provides Diesel Engine/Generator repair and maintenance. We repair all makes of Diesel Engines, Generators, Automatic Transfer Switches, Automatic Start-Stop controls, Day Tanks, Fuel Systems, Battery Chargers, and other related equipment. We also provide Preventive Maintenance services and Load Bank Testing. GenTune LLC is EGSA Certified. We are a CCR registered small business and are pursuing government and commercial engine/generator service and repair work. We can service any segment of the custom engine market, be it industrial, generator set, or marine. We have experience in all areas including mechanical, electrical, controls, and power systems. If you have a mechanical or electrical problem GenTune can help by diagnosing your problems and recommending the best course of action for your unique site requirements, even if you need services or expertise that GenTune cannot provide directly. GenTune has close working relationships with other companies that help us expand our capabilities to you. Service Area: 80-120 mile radius of Fredericksburg/Culpeper VA. Our shop is located near the post office at 22714.