404A-22G1 Diesel Engine <br> 20 kVA @ 1500 RPM

404A-22G1 Diesel Engine
20 kVA @ 1500 RPM



The Perkins® 400 Series engine family continues to set new standards in the compact engine market. Developed alongside customers to fulfill their needs in the generator set, compressor, agricultural and general industrial markets. These new ElectropaKs provide compact power, from a robust family of 3 and 4 cylinder diesel engines designed to provide economic and durable operation at prime and standby duties, hitting the key power nodes required by the power generation industry.




  • Number of cylinders : 4 vertical in-line
  • Bore and stroke : 84 x 100 mm / 3.3 x 3.9 in
  • Displacement : 2.216 litres / 135.2 in3
  • Aspiration Naturally aspirated
  • Cycle 4 stroke
  • Combustion system Indirect injection
  • Compression ratio 23.3:1
  • Rotation Anti-clockwise, viewed on flywheel
  • Total lubricating capacity : 10.6 litres / 2.8 US gal
  • Cooling system Water cooled
  • Total coolant capacity : 7.0 litres / 1.8 US gal




Powered by your needs

  • The 404A-22G1 ElectropaK is a powerful but quiet 2.2 litre naturally aspirated 4-cylinder compact package

Compact, clean, efficient power

  • Design features on the 400D range of ElectropaKs ensures clean rapid starting in all conditions whilst delivering impressive performance with low operating costs in a small, efficient package size 

Lower operating costs


  • Approved for operation on biodiesel* concentrations of up to 20%
  • Oil and filter changes are 500 hours, dependent on load factor
  • Engine durability and reliability, the warranty offering and ease of installation combine to drive down the cost of ownership
  • Warranties and Service Contracts
    • We provide one-year warranties for constant speed engines and two-year warranties for variable speed models, as standard. These are supported by multilevel Extended Service Contracts that can be bought additionally

Product support


  • With highly trained Perkins distributors in thousands of communities in over 180 countries, you are never far away from expert product knowledge, genuine parts and a range of advanced diagnostic technology for keeping your engine in peak condition




Air inlet

  • Mounted air filter

Fuel system

  • Mechanically governed cassette type fuel injection pump
  • Split element fuel filter

Lubrication system

  • Wet steel sump with filler and dipstick
  • Spin-on full-flow lub oil filter

Cooling system

  • Thermostatically-controlled system with belt driven coolant pump and pusher fan
  • Mounted radiator, piping and guards

Electrical equipment

  • 12 volt starter motor and 12 volt 15 amp alternator with DC output
  • Oil pressure and coolant temperature switches
  • 12 volt shut-off solenoid energised to run
  • Glow plug cold start aid and heater/starter switch

Flywheel and housing

  • 1500 rpm
  • High inertia flywheel to SAE J620 Size 190.5 mm (7½ in) Heavy
  • Flywheel housing SAE 4 Long


  • Front and rear engine mounting bracket

Optional equipment

  • Parts book

Option groups

  • A selection of optional items is available to enable you to prepare a specification precisely matched to your needs.



Full Product Specs