1) Engine models: R4105(Z)D, R6105(Z)(AZL)(IZL)D, 6113ZLD 2) 8hrs operation base tank 3) Key start / auto start 4) Sound-proof / weather-proof canopy is optional 5) Frequency: <3% 6) Frequency at stable state: <0.5% 7) Frequency deviation at instantaneous state: entityentity10% 8) Frequency return time: entity3s 9) Voltage deviation at stable state: entityentity1% 10) Voltage deviation at instantaneous state: entity+20% 11) Voltage return time: entity4s 12) Voltage modulation: entity0.3% 13) Standard configuration of gensets: a) Engine: Ricardo series diesel engine b) Engine type: water-cooled, in line four-stoke, Humit cylinde liner, direct injection c) Alternator: Brushless alternator