The Generac MMG330 is a 290 kW (363 kVA) standby generator set powered by a John Deere PE6090HFG95 engine. It is available at 208 V and 480 V, 3-phase, 60 Hz and rated 1008 A. Starting uses 2 group-31 batteries rated 1000 CCA at 12 V. The set measures 5840×2590×2790 mm (229.9×102.0×109.8 in), weighs about 5588 kg (12319 lb) and produces 68 dBA at 7.01 m. An integrated tank holds 1738 L (459.1 gal), roughly 23 hours of runtime.
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.