Engine Great Wall GW4D20T

The 2.0-liter Great Wall GW4D20T diesel engine has been produced by the concern since 2017 and is installed on a restyled modification of the popular Haval H9 SUV. Such a power unit is essentially a seriously upgraded version of the GW4D20 diesel engine.

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


Production years since 2017
Displacement, cc 1996
Fuel system Common Rail
Power output, hp 190
Torque output, Nm 420
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 83.1
Piston stroke, mm 92
Compression ratio 16.0
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging BorgWarner R2S
Recommended engine oil 5W-30
Engine oil capacity, liter 5.5
Fuel type diesel
Euro standards EURO 5
Fuel consumption, L/100 km (for Haval H9 2020)
— city
— highway
— combined
Engine lifespan, km ~250 000
Weight, kg 210 (with attachments)

The engine was installed on:

  • Haval H9 I since 2017.

Disadvantages of the Great Wall GW4D20T engine

  • At the moment, the engine has proven itself well and rarely worries owners;
  • Delphi fuel equipment does not tolerate bad fuel and it is better not to save on it;
  • In the service station, the weak points of this motor include a booster pump and nozzles;
  • There are complaints about contamination of the intake manifold, EGR valve and diesel particulate filter.

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