The FG Wilson P27 is a 21.6 kW (27 kVA) diesel standby generator set powered by a Perkins 1103A-33G1 engine. It is available at 380 V, trifase-phase and 50 Hz. It holds about 4 L (1.1 gal) of oil and 18 L (4.8 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1770×714×1360 mm (69.7×28.1×53.5 in), weighs about 621 kg (1369 lb) and produces 69 dBA at 1 m. An integrated tank holds 135 L (35.7 gal).