The 2.0-liter Great Wall GW4D20 diesel engine has been produced in Baoding since 2010 and is installed in SUVs or pickup trucks of the concern, better known for the Hover H5 model. There is a modification of this unit for a transverse arrangement with the index GW4D20B.
In 2010, the Chinese concern Great Wall introduced a new 2.0-liter turbodiesel. By its design, this is the most typical Common Rail unit with a cast-iron cylinder block, an aluminum 16-valve cylinder head with hydraulic lifters, a timing belt drive and a BorgWarner BV43 variable geometry turbine. The motors are equipped with a Delphi fuel system, but there are also modifications with Bosch and Xin Feng equipment.
GW4D family: GW4D20, GW4D20B, GW4D20D, GW4D20T, GW4D20M, GW4D24.
Specifications
| Production years | since 2010 |
| Displacement, cc | 1996 |
| Fuel system | Common Rail |
| Power output, hp | 140 – 150 |
| Torque output, Nm | 310 |
| 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 | 5W-40, 10W-40 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Great Wall Hover H5 2012) — city — highway — combined |
9.9 7.6 8.4 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 215 (with attachments) |
The engine was installed on:
- Great Wall Hover H5 in 2010 – 2017;
- Great Wall Wingle 6 in 2014 – 2021.
Disadvantages of the Great Wall GW4D20 engine
- The most famous problem of this diesel engine is the breakdown of the cylinder head gasket due to overheating. The exact reason has not yet been found and apparently there is a design flaw here.
- Most modifications of this unit are equipped with a Delphi fuel system, the nozzles of which wear out very quickly from any impurities in diesel fuel. The owner is highly recommended to change the filter more often and not pour anything into the tank.
- At specialized forums, they regularly complain about oil consumption, lubricant and antifreeze leaks, airing of the fuel system, and a short resource of the water pump and turbocharger. Also monitor the condition of the timing belt, it does not last long, and when it breaks, it bends the valves.
Frequently asked questions about the Great Wall GW4D20
How much power does the Great Wall GW4D20 make?
The Great Wall GW4D20 develops 140 - 150 hp and 310 Nm of torque.
How much oil does the Great Wall GW4D20 take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-40, 10W-40.
Does the Great Wall GW4D20 have a timing belt or chain?
The Great Wall GW4D20 uses a timing belt.
Is the Great Wall GW4D20 turbocharged?
Yes, the Great Wall GW4D20 is turbocharged (BorgWarner BV43).
Does the Great Wall GW4D20 need valve clearance adjustment?
No, the Great Wall GW4D20 has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GW4D20 last?
The typical lifespan of the Great Wall GW4D20 is ~250 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4D20?
Great Wall Hover H5 2012: city 9.9, highway 7.6, combined 8.4 L/100 km.
What cars was the Great Wall GW4D20 installed on?
Great Wall Hover H5 in 2010 - 2017; Great Wall Wingle 6 in 2014 - 2021.
What are the common problems of the Great Wall GW4D20?
The most famous problem of this diesel engine is the breakdown of the cylinder head gasket due to overheating. The exact reason has not yet been found and apparently there is a design flaw here. Most modifications of this unit are equipped with a Delphi fuel system, the nozzles of which wear out very quickly from any impurities in diesel fuel. The owner is highly recommended to change the filter more often and not pour anything into the tank. All known problems.
