Engine Great Wall GW4D20M

The 2.0-liter Great Wall GW4D20M diesel engine has been produced in China only since 2019 and is installed in the Poer pickup truck, known in other countries as Pao, Cannon or Ute. In some markets, the power of this motor is specifically reduced to a tax-friendly 150 hp.

Own diesel engines: GW4D20, GW4D20B, GW4D20D, GW4D20T, GW4D20M.


Production years since 2019
Displacement, cc 1996
Fuel system Common Rail
Power output, hp 150 – 160
Torque output, Nm 400
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 83.1
Piston stroke, mm 92
Compression ratio 16.3
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging yes
Recommended engine oil 5W-30
Engine oil capacity, liter 5.5
Fuel type diesel
Euro standards EURO 5/6
Fuel consumption, L/100 km (for Great Wall Poer 2021)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 210 (with attachments)

The engine was installed on:

  • Great Wall Poer since 2019.

Disadvantages of the Great Wall GW4D20M engine

  • While the owners do not scold the motor, no complaints about serious malfunctions have been found;
  • The Delphi fuel system does not tolerate bad fuel and it is better not to save;
  • The Chinese forums describe cases of warranty replacement of the booster pump;
  • As in all modern diesel engines, the intake manifold and EGR are quickly contaminated here.

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