... power/less fuel &economical 4.output:550kw 5.CE&ISO900 high quality 687.5kva cummins genset specification:1) Engine: ,power by ... ,Yanmar,Perkins,Lister Petter,shanghai,Lovol2) Alternator: 3 Phase 4 Wire, Brushless, H class Insulation, Self-Exited ,IP23 Protection, AVR ... range: 8kW to 1760kW4) Frequency: 50 & 60Hz5)3 Phase 4 Wire & 1 Phase 2 Wire6)Speed: 1500rpm1800rpm7) Three Phase Voltage Available ...