Since 2009, the 3.0-liter diesel Land Rover 306DT and 30DDTX or Discovery 3.0 TDV6 and SDV6 engines have been manufactured and installed on Land Rover and Jaguar models under the AJV6D index. This diesel power unit is referred to as the 3.0 HDi on Peugeot-Citroen vehicles.
The following engines are jointly developed with Ford: 224DT, 276DT, 306DT, 368DT, and 448DT.
Specifications
| Production years | since 2009 |
| Displacement, cc | 2993 |
| Fuel system | Common Rail |
| Power output, hp | 211 (one turbocharger) 245 – 306 (two turbochargers) |
| Torque output, Nm | 520 (one turbocharger) 600 – 700 (two turbochargers) |
| Cylinder block | cast iron V6 |
| Block head | aluminum 24v |
| Cylinder bore, mm | 84 |
| Piston stroke, mm | 90 |
| Compression ratio | 16.1 |
| Features | DOHC |
| Hydraulic lifters | yes |
| Timing drive | chains & belt |
| Phase regulator | no |
| Turbocharging | Garrett GTB1749VK Garrett GTB1749VK + GT1444Z |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.9 |
| Fuel type | diesel |
| Euro standards | EURO 4/5 |
| Fuel consumption, L/100 km (for Land Rover Discovery 4 TDV6 2012) — city — highway — combined |
9.8 8.1 8.8 |
| Engine lifespan, km | ~350 000 |
The engine was installed on:
- Land Rover Discovery 4 (L319) in 2009 – 2017;
- Discovery 5 (L462) since 2017;
- Land Rover Range Rover Sport 1 (L320) in 2009 – 2013;
- Range Rover Sport 2 (L494) in 2013 – 2020;
- Land Rover Range Rover 4 (L405) in 2012 – 2020;
- Land Rover Range Rover Velar 1 (L560) since 2017.
Disadvantages of the Land Rover 306DT engine
The Bosch fuel system with piezo injectors is dependable, but high-pressure fuel pumps occasionally need to be replaced; valve cover cracking and turbine wedge geometry frequently occur;
A sudden engine wedge with a broken crankshaft is the most serious issue;
The motor has three belts, and you must strictly adhere to the replacement schedule every 130,000 kilometers;
The EGR valve, heat exchanger, and crankshaft front oil seal are weak points.