silent, nice appearance, good quality, competitive price, this type silent is for 20KVA to 200KVA. The engine are Cummins/Deutz/Ricardo/Perkins Lovol. Alternator: Marathon, StamfordBase fuel tank inside the skid,Control system: Key start, automatic controllor, AMF, LEDRadiator, fans wit belt, battery with cable, muffler, automatic charger, AVR, diesel generator