The Cummins/Onan DGDK is a 125 kW (156 kVA) Diesel standby generator set powered by a Cummins/Onan 6BTA5.9 engine. It is available at 120/208 V, 127/220 V, 240/416 V, 277/480 V, 120/240 V, 139/240 V, 254/440 V and 347/600 V, 60 Hz. It holds about 16 L (4.2 gal) of oil and 31.5 L (8.3 gal) of coolant, with a maximum ambient rating of 40 °C. Starting uses 1 group-4 battery rated 460 CCA at 12 V. The set measures 2662×1016×1252 mm (104.8×40.0×49.3 in). An integrated tank holds 25 L (6.6 gal).