1) Output : 20kW (25kVA) up to 1200kW (1500kVA) 2) Engine : CUMMINS ,DEUTZ,PERKINS and ... so on 3) Alternator : Stamford 1) Output range: from 20kW (25kVA) up to 1200kW (1500kVA)2) Engine models: CUMMINS 4BTA,6BTA ... , ATS & paralleling system, Soundproof Canopy and Moving Trailer. Cummins Diesel generator 20KW to 1200KW