This reefer container power pack genset is powered by a water-cooled, heavy-duty, industrial type Cummins diesel engine that is closed coupled via SAE flexible disk/flange coupling to the brushless, synchronous, self-regulated alternator. The complete assembly—including engine, alternator, radiator, reefer sockets and control panel—is mounted on a steel base frame with four lifting attachments for easy transportation. The generator set frame is insulated from the container floor by anti-vibration mountings. Manufactured and rated according to continuous power output as outlined in ISO-8528, with overload power in accordance with ISO-3046.