This is a older Coleman 4000W generator that runs off of a Briggs and Stratton 8 hp I/C engine. Output voltage is 120/240 AC...2 plugs for each voltage. Runs on gasoline only. Always stored in garage out of the weather...always run to empty, no gas left in carb. Pull start. It runs (happy to send you video clip if you send your email address with request). Asking $175, cash only. You must pick up...can help you load.