The Peugeot DT20C 3.0-liter diesel engine is a joint development with Ford. From 2009 to 2013, the engine was installed on some models of the concern, such as 407 and 407 Coupe. On Jaguar or Land Rover cars, this unit developed power up to 300 hp and 700 Nm.
DT family: DT17TED4, DT20C.
Specifications
| Production years | 2009-2013 |
| Displacement, cc | 2993 |
| Fuel system | Common Rail |
| Power output, hp | 241 |
| Torque output, Nm | 450 |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 90 |
| Compression ratio | 16.4 |
| Features | intercooler |
| Hydraulic lifters | yes |
| Timing drive | belt and two chains |
| Phase regulator | no |
| Turbocharging | double |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.5 |
| Fuel type | diesel |
| Euro standards | EURO 5 |
| Fuel consumption, L/100 km (for Peugeot 407 2010) — city — highway — combined |
11.8 6.8 8.6 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 230 |
The engine was installed on:
- Peugeot 407 I (D2) in 2009 – 2010;
- Peugeot 407 Coupe I (D2) in 2009 – 2011;
- Citroen C5 II (X7) in 2009 – 2013;
- Citroen C6 I (X6) in 2009 – 2012.
Disadvantages of the DT20C engine
- Despite the technical complexity, this engine proved to be quite reliable;
- Common rail piezo injectors do not tolerate bad fuel;
- Many owners have experienced frequent oil and coolant leaks;
- A drop in the performance of the oil pump leads to a decrease in pressure in the system;
- Due to oil starvation, it can turn the liners or even jam the engine.
Frequently asked questions about the Peugeot DT20C
How much power does the Peugeot DT20C make?
The Peugeot DT20C develops 241 hp and 450 Nm of torque.
How much oil does the Peugeot DT20C take and which one?
Engine oil capacity: 6.5 liters. Recommended oil: 5W-30.
Does the Peugeot DT20C have a timing belt or chain?
Timing drive of the Peugeot DT20C: belt and two chains.
Is the Peugeot DT20C turbocharged?
Yes, the Peugeot DT20C is turbocharged (double).
Does the Peugeot DT20C need valve clearance adjustment?
No, the Peugeot DT20C has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Peugeot DT20C last?
The typical lifespan of the Peugeot DT20C is ~300 000 km with proper maintenance.
What is the fuel consumption of the Peugeot DT20C?
Peugeot 407 2010: city 11.8, highway 6.8, combined 8.6 L/100 km.
What cars was the Peugeot DT20C installed on?
Peugeot 407 I (D2) in 2009 - 2010; Peugeot 407 Coupe I (D2) in 2009 - 2011; Citroen C5 II (X7) in 2009 - 2013; Citroen C6 I (X6) in 2009 - 2012.
What are the common problems of the Peugeot DT20C?
Despite the technical complexity, this engine proved to be quite reliable. Common rail piezo injectors do not tolerate bad fuel. All known problems.
What engines are related to the Peugeot DT20C?
DT family: DT17TED4.





