Yanmar Stage V Diesel Generator ARK-Y 40 S5/ST-V

ARK-Y 40 S5 STAGE V Diesel Generator – Reliable and Low-Emission Industrial Power

The ARK-Y 40 S5 STAGE V diesel generator from Arken Power Solutions provides 35 kVA prime and 38.5 kVA standby power, powered by the Yanmar 4TNV98C-IYE EC STAGE V 4-cylinder, water-cooled, naturally aspirated engine. Built for long-term efficiency, it meets EU STAGE V emission regulations, ensuring low fuel consumption and environmentally friendly operation.

Its Stamford S1L2-J alternator delivers 90.8% efficiency, ±1% voltage regulation, and <3% THD, producing smooth and stable energy output. Certified under ISO 8528 and ISO 3046, the ARK-Y 40 S5 STAGE V operates at 71.3 dBA and comes with a 2-year / 1000-hour warranty, offering quiet, reliable, and sustainable power for industrial needs.

ARK- P 33 S5

Power Prime (kVA / kW)

35 / 28

Power Standby (kVA / kW)

38,5 / 30,8

Speed (r.p.m)

1500

Standard Voltage

400/230VAC

Power Factor(Cos Phi)

0.8
BrandYanmar
Power PRP [kW]35,7
Model4TNV98C - IYE EC STAGE V
N° of Cylinders / Valves4/8
Engine TypeDIESEL
Displacement [lt]3,319
AspirationNatural
Bore[mm] x Stroke[mm]98x110
Compression Ratio18.3
Air FilterDRY
Cooling MethodWater Cooled (water + %50 antifreeze)
Total Coolant Capacity (lt)10
Governor TypeECU
Electrical System12VDC
Battery Charger Current40A
Oil Capacity [lt]10,5
Exhaust Gas Flow PRP [m3/min]N/A
Exhaust Gas Temp. [°C]N/A
Air Flow PRP [m3/min]N/A
Cooling Air Flow PRP [m3/min]N/A
Starter Power (kW)2,3kW
Standard Battery Voltage [V]12VDC
Standard Battery Capacity1x60Ah
Standard Battery TypeMaintenance-Free Lead Acid
BrandStamford
ModelS1L2-J
Voltage400 /230 VAC
Number of Phase3
Power Factor0.8
Number of Poles4
Connection TypeStar
BearingSingle

Datasheet

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