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.
Diesels of the DT family: DT17TED4, DT20C.
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.
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 |
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.
