- Diesel Generators The packaged combination of a diesel engine, a generator and various ancillary devices is referred to as a "genset" for short. Raise Your Standards FWE offers solutions to meet any need with diesel generator sets with or without cabins with power options ranging from 235 KVA to 1000 KVA which are available in its standard product portfolio. With their high performance powered by technology, low operating costs and longevity, FWE Diesel Generator Sets set the standards for the generator market.