The 2.0-liter Great Wall GW4D20M diesel engine has been produced in China only since 2019 and is installed in the Poer pickup truck, known in other countries as Pao, Cannon or Ute. In some markets, the power of this motor is specifically reduced to a tax-friendly 150 hp.
GW4D family: GW4D20, GW4D20B, GW4D20D, GW4D20T, GW4D20M, GW4D24.
Specifications
| Production years | since 2019 |
| Displacement, cc | 1996 |
| Fuel system | Common Rail |
| Power output, hp | 150 – 160 |
| Torque output, Nm | 400 |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83.1 |
| Piston stroke, mm | 92 |
| Compression ratio | 16.3 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | yes |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.5 |
| Fuel type | diesel |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Great Wall Poer 2021) — city — highway — combined |
10.9 8.7 9.5 |
| Engine lifespan, km | ~250 000 |
| Weight, kg | 210 (with attachments) |
The engine was installed on:
- Great Wall Poer since 2019.
Disadvantages of the Great Wall GW4D20M engine
- While the owners do not scold the motor, no complaints about serious malfunctions have been found;
- The Delphi fuel system does not tolerate bad fuel and it is better not to save;
- The Chinese forums describe cases of warranty replacement of the booster pump;
- As in all modern diesel engines, the intake manifold and EGR are quickly contaminated here.
Frequently asked questions about the Great Wall GW4D20M
How much power does the Great Wall GW4D20M make?
The Great Wall GW4D20M develops 150 - 160 hp and 400 Nm of torque.
How much oil does the Great Wall GW4D20M take and which one?
Engine oil capacity: 5.5 liters. Recommended oil: 5W-30.
Does the Great Wall GW4D20M have a timing belt or chain?
The Great Wall GW4D20M uses a timing belt.
Is the Great Wall GW4D20M turbocharged?
Yes, the Great Wall GW4D20M is turbocharged.
Does the Great Wall GW4D20M need valve clearance adjustment?
No, the Great Wall GW4D20M has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Great Wall GW4D20M last?
The typical lifespan of the Great Wall GW4D20M is ~250 000 km with proper maintenance.
What is the fuel consumption of the Great Wall GW4D20M?
Great Wall Poer 2021: city 10.9, highway 8.7, combined 9.5 L/100 km.
What cars was the Great Wall GW4D20M installed on?
Great Wall Poer since 2019.
What are the common problems of the Great Wall GW4D20M?
While the owners do not scold the motor, no complaints about serious malfunctions have been found. The Delphi fuel system does not tolerate bad fuel and it is better not to save. All known problems.
