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Perkins 400 Series electric power (EP) engines are the ideal solution if you’re looking for reliable, economical power from a compact unit. Our 402 range is the smallest of all. These 0.5 litre, 2 cylinder engines are robust and efficient and can fulfil your power generation needs with minimal operating costs. Engines meet EU Stage IIIA/U.S. EPA Tier 4 interim and the more stringent Tier 4 Final emissions standards. Impressive cold-start capabilities even in the most demanding conditions make them an excellent choice for less regulated territories.

0.51 litre
4.8-9 kVA
The 402D-05G is a naturally aspirated, indirect injection engine that meets EU Stage IIIA/U.S. EPA Tier 4 interim emissions standards.

Power Rating

Mechanical output 5-10 kWm
Electrical output 5-10 kVA (4-8 kWe)
Rated Speed 1800/3000/3600 rpm


Bore 67.0 mm
Stroke 72.0 mm
Displacement 0.51 litres
Aspiration Naturally aspirated
Compression Ratio 23.5:1
Combustion System Indirect injection
Rotation (from flywheel end) Anti-clockwise
Number of cylinders 2 inline
Cycle 4 stroke
Cooling system Liquid
Total coolant capacity 2.5 litres
Total lubricating capacity 2.0 litres

The durability of the 402 range, its simple technology, ease of installation and warranty offering all combine to drive down your ownership costs. Oil and filter changes are 500 hours, dependent on load factor, which also trims your costs. As the 400 Series is built on a common engine platform, if you need to upgrade you can do so easily and affordably.

  • 402D-05G15
  • 402D-05G15
  • 402D-05G15
  • 402D-05G15
  • 402D-05G15