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.
Specifications
| 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 |
9.7 7.6 8.4 |
| 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.





