To buy this Used MARATHON 500 KW Generator End, Visit Swift Equipment Solutions. This Marathon Magna One Synchronous AC Generator End has the capacity to run at 500kW continuous duty 480V three phase 575kW standby 1800rpm 60HZ or 500kVA 400V @ 1500rpm 50HZ. Removed from a Detroit Diesel 12V92 engine that was a standby genset taken out of a hospital with less than 800hours since new. It is priced at $15,500 at their store. Visit their website for more details.