Engine Great Wall GW4D20B

The 2.0-liter Great Wall GW4D20B diesel engine has been produced in China since 2011 and is installed in the popular Hover H6 SUV or similar Haval H6. In fact, such a unit is a modification of the GW4D20 motor for a transverse arrangement.

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


Production years since 2011
Displacement, cc 1996
Fuel system Common Rail
Power output, hp 140
Torque output, Nm 305
Cylinder block cast iron R4
Block head aluminum 16v
Cylinder bore, mm 83.1
Piston stroke, mm 92
Compression ratio 16.7
Features DOHC
Hydraulic lifters yes
Timing drive belt
Phase regulator no
Turbocharging BorgWarner BV43
Recommended engine oil 0W-30
Engine oil capacity, liter 6.2
Fuel type diesel
Euro standards EURO 5
Fuel consumption, L/100 km (for Great Wall Hover H6 2015)
— city
— highway
— combined
Engine lifespan, km ~220 000
Weight, kg 210 (with attachments)

The engine was installed on:

  • Great Wall Hover H6 in 2011 – 2020;
  • Haval H6 I in 2013 – 2020.

Disadvantages of the Great Wall GW4D20B engine

  • The main problem of this diesel engine is the frequent breakdown of the gasket due to overheating;
  • CR Delphi fuel injectors wear out quickly from any impurities in diesel fuel;
  • On specialized forums you can find a large number of complaints about lubricant consumption;
  • Monitor the condition of the timing belt, it serves little, and when it breaks, it bends the valves;
  • The weaknesses of the motor include a short-lived water pump and turbocharger.

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