The MTU 12V4000 GS is a 1287 kW (2152 kVA) Natural gas prime generator set powered by a MTU 12V4000 GS engine. It is available at 400 V, 2-phase and 50 Hz. It holds 250 L (66.0 gal) of coolant, with a maximum ambient rating of 80 °C. The set measures 5000×2000×2400 mm (196.9×78.7×94.5 in), weighs about 12000 kg (26455 lb) and produces 114.9 dBA at 1 m.