Yanmar Diesel Generator ARK-Y 55 S5

ARK-Y 55 S5 Diesel Generator – Powerful and Efficient Industrial Energy

The ARK-Y 55 S5 diesel generator by Arken Generator delivers 47.4 kVA prime and 52 kVA standby power, equipped with the Yanmar 4TNV98T-GGEA 4-cylinder, turbocharged, water-cooled engine. It ensures reliable, fuel-efficient performance and long operational life for industrial and commercial facilities.

Featuring a Stamford S1L2-R alternator offering 91.7 % efficiency, ±1 % voltage regulation, and <3 % THD, it guarantees clean and stable power. Compliant with ISO 8528 and ISO 3046, the ARK-Y 55 S5 operates at 71.6 dBA and includes a 2-year / 1000-hour warranty, delivering uninterrupted energy for continuous or backup use.

Power Prime (kVA / kW)

47,4 / 37,9

Power Standby (kVA / kW)

52 / 41,6

Speed (r.p.m)

1500

Standard Voltage

400/230VAC

Power Factor(Cos Phi)

0.8
BrandYanmar
Power PRP [kW]41,4
Model4TNV98T-GGEA
N° of Cylinders / Valves4/8
Engine Type4
Displacement [lt]3,319
AspirationTurbocharger
Bore[mm] x Stroke[mm]98x110
Compression Ratio18:1
Air FilterHeavy Duty
Cooling MethodWater Cooled (water + %50 antifreeze)
Total Coolant Capacity (lt)4,2
Governor TypeMechanical
Electrical System12VDC
Battery Charger Current40A
Oil Capacity [lt]10,5
Exhaust Gas Flow PRP [m3/min]10,45
Exhaust Gas Temp. [°C]480
Air Flow PRP [m3/min]TBA
Cooling Air Flow PRP [m3/min]TBA
Starter Power (kW)2,3kW
Standard Battery Voltage [V]12VDC
Standard Battery Capacity1x60Ah
Standard Battery TypeMaintenance-Free Lead Acid
BrandStamford
ModelS1L2-R
Voltage400 /230 VAC
Number of Phase3
Power Factor0.8
Number of Poles4
Connection TypeStar
BearingSingle

Datasheet

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