The Standard Diesel (SD) series of generators are designed for tough commercial applications that do not require an enclosure. The Onan SD20 is the latest edition to the series expanding the power range up to 20kW. Tight chassis applications such as mobile command centers, mobile medical vehicles and emergency response fleets will appreciate the flexibility of multiple interface connection points and its compact size. The Onan SD20 is the culmination of over 100 years of Cummins power generation experience and is supported by best-in-class service network.