422GM Marine Diesel Engine


Minimum Power
24.7 HP
18.4 kW
Maximum Power
29.5 HP
22.0 kW
Meets U.S. EPA Tier 3/EU97/68/EU Stage IIIA
Meets U.S. EPA Tier 3/EU97/68/EU Stage IIIA

Product Specifications for 422GM

Power Rating

Emission Standards


Engine Dimensions*


422GM Standard Equipment

Air inlet system

  • Air filter
  • Fresh water cooled exhaust manifold incorporating header tank assembly

Control system

  • 12 volt starter motor and 12 volt 55 amp alternator with DC output
  • Glow plug cold start aid and heater/starter switch
  • Oil pressure and coolant temperature switches

Cooling system

  • Fresh water heat exchanger cooled engine with gear driven self priming raw water pump and ceramic seals
  • Thermostatically controlled system with belt driven circulating pump

Flywheels and flywheel housing

  • Flywheel housing SAE 4 long
  • High inertia flywheel to SAE J620 size 7½ heavy

Fuel system

  • Electronically governed cassette type fuel injection pump
  • Single element fuel filter


  • Front and rear mounting brackets
  • User's Handbook

Oil system

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

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