- CASPER POWER CP-M Series Genset is powered by Japan Mitsubishi Heavy Industries Ltd′s engines. which set up in 1971, Mitsubishi continually develop and create all kinds of diesel engines from 0.5hp to 56400hp in order to meet different customers' requirement. Mitsubishi is honored by its advanced research ability and production technology in the world. The small power engine of Mitsubishi is characterized by its low noise, low emission (Clean), Safety, easy operation and easy maintenance. Its perfect quality can meet all your demand on power.