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.
GW4D family: GW4D20, GW4D20B, GW4D20D, GW4D20T, GW4D20M, GW4D24.
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.
Frequently asked questions about the Great Wall GW4D20B
How much power does the Great Wall GW4D20B make?
The Great Wall GW4D20B develops 140 hp and 305 Nm of torque.
How much oil does the Great Wall GW4D20B take and which one?
Engine oil capacity: 6.2 liters. Recommended oil: 0W-30.
Does the Great Wall GW4D20B have a timing belt or chain?
The Great Wall GW4D20B uses a timing belt.
Is the Great Wall GW4D20B turbocharged?
Yes, the Great Wall GW4D20B is turbocharged (BorgWarner BV43).
Does the Great Wall GW4D20B need valve clearance adjustment?
No, the Great Wall GW4D20B has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GW4D20B last?
The typical lifespan of the Great Wall GW4D20B is ~220 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4D20B?
Great Wall Hover H6 2015: city 9.7, highway 7.6, combined 8.4 L/100 km.
What cars was the Great Wall GW4D20B installed on?
Great Wall Hover H6 in 2011 - 2020; Haval H6 I in 2013 - 2020.
What are the common problems of the Great Wall GW4D20B?
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. All known problems.
