Baudouin Diesel Generator ARK-B 420 S5

ARK-B 420 S5 Diesel Generator – High-Performance Power for Industrial Applications

The ARK-B 420 S5 diesel generator by Arken Generator delivers 360 kVA prime and 415 kVA standby power, powered by the Baudouin 6M21G400/5 6-cylinder, turbocharged, aftercooled engine. Built for industrial efficiency, it ensures strong performance, low fuel consumption, and long-lasting durability under demanding conditions.

Equipped with a Stamford S4L1D-E alternator offering 94.8% efficiency, ±1% voltage regulation, and <5% THD, it guarantees clean, stable, and reliable energy output. Certified under ISO 8528 and ISO 3046 standards, the ARK-B 420 S5 operates at 72.6 dBA and comes with a 2-year or 1000-hour warranty, providing consistent, high-quality power for continuous or standby applications.

Power Prime (kVA / kW)

360 / 288

Power Standby (kVA / kW)

415 / 332

Speed (r.p.m)

1500

Standard Voltage

400/230VAC

Power Factor(Cos Phi)

0.8
BrandBAUDOUIN
Power PRP [kW]350
Model6M21G400/5
N° of Cylinders / Valves6/24
Engine Type4
Displacement [lt]12.54
AspirationTurbocharged - Aftercooled
Bore[mm] x Stroke[mm]127x165
Compression Ratio16:1
Air FilterHeavy Duty
Cooling MethodWater Cooled (water + %50 antifreeze)
Total Coolant Capacity (lt)55
Governor TypeElectronic
Electrical System24VDC
Battery Charger Current70
Oil Capacity [lt]32
Exhaust Gas Flow PRP [m3/min]60
Exhaust Gas Temp. [°C]≤580
Air Flow PRP [m3/min]22,1
Cooling Air Flow PRP [m3/min]398
Starter Power (kW)7.5
Standard Battery Voltage [V]24VDC
Standard Battery Capacity2x105Ah
Standard Battery TypeMaintenance-Free Lead Acid
BrandStamford
ModelS4L1D-E
Voltage400 /230 VAC
Number of Phase3
Power Factor0.8
Number of Poles4
Connection TypeStar
BearingSingle

Datasheet

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