The 3.0-liter diesel engine Land Rover 306DT and 30DDTX or Discovery 3.0 TDV6 and SDV6 has been produced since 2009 and is installed on Land Rover models, as well as Jaguar under the AJV6D index. On Peugeot-Citroen cars, this diesel power unit is known as the 3.0 HDi.
Joint development engines with Ford: 224DT, 276DT, 306DT, 368DT, 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 reliable, but there are cases of replacing high-pressure fuel pumps;
- Often there is cracking of valve covers and wedge geometry of the turbine;
- And the most serious problem is a sudden wedge of the engine with a broken crankshaft;
- There are three belts in the motor and you need to strictly follow the replacement schedule every 130,000 km;
- Weak points include heat exchanger, crankshaft front oil seal, EGR valve.
