Yamaha offers only portable generators that are designed to be used for light to medium home or commercial contractor applications. Yamaha generators are available in several output ranges from .85 kW up to 26 kw, depending upon the generator voltage and cycle configuration. All of the Yamaha generators are designed to be lightweight, quiet and (with a Yamaha motor) offer many hours of dependable operation. Most models are available with gasoline powered engines, but several of the larger units are available with diesel fuel options.