The Cat G20CM34 generator set from Caterpillar Inc. is capable of producing up to 10 MW and is the largest natural gas-fired medium-speed reciprocating engine generator set available from the company.
The G20CM34 uses a robust engine design based on the proven GCM34 family, currently in production with 12 and 16-cylinder models. The GCM34 liquid natural gas engine technology was introduced to the market in 2002, and to date there are over 900 MW of installed capacity globally.