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Total Power Range

Gross Mechanical Output 18-34 kWm
Typical Electrical Output 20-36 kVA (16-29 kWe)
Rated Speed 1500/1800/3000 rpm

50 Hz Typical Electrical Output

Prime 20 kVA
Standby 22.1 kVA

60 Hz Typical Electrical Output

Prime 19.2 kWe
Standby 21.3 kWe

Emission Standards

Emissions EU Stage IIIA/U.S. EPA Tier 4 interim


Number of Cylinders 4 inline
Bore 84 mm
Stroke 100 mm
Displacement 2.2 l
Compression Ratio 23.3:1
Aspiration Naturally aspirated
Combustion System Indirect injection
Rotation from Flywheel End Anti-clockwise
Cooling System Liquid
Typical Alternator Efficiency 87-89%
Switchable Yes

ElectropaK Dimensions

Length 948 mm
Width 498 mm
Height 841 mm
Dry Weight 242 kg


Note 1 *Final dimensions dependent on selected options
Note 2 ESE (1800 rpm) only – Emergency Stationary Equipment


Prime Power Power available at variable load in lieu of a main power network. Overload of 10% is permitted for one hour in every 12 hours of operation.
Standby Power Power available at variable load in the event of a main power network failure. No overload is permitted.

The Perkins 404 range of electric power (EP) engines is the largest, most refined member of the 400 Series. The 4 cylinder, 2.2 liters 404 offers improvements such as reduced noise, vibration, and harshness (NVH). Offering the same customer benefits as the wider 400 families – such as reliability, cold-start capability, low operating costs, excellent fuel economy, and compact, clever design – the 404 makes a smart choice for customers in the generator set market across unregulated and EU Stage IIIA/U.S. EPA Tier4 interim territories.


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