... 2) brand new&authentic parts guaranteed Basic descriptionEngine:Cummins series diesel engine Alternator: Stamford/Marathon brushless alternatorControl System: Key starting, ... panel,Remote control panel,ATS(Auto transfer switch)test&commissioningEach generator has passed harsh test under 0%,25%,50%,75%, ... ) CertificateISO9001:2000,CE,ISO4001:2004 Technical data: 250KVA Cummins diesel generator (R-DC250)