The company produced the 4.4-liter Land Rover 448PN gasoline engine from 2004 to 2009 and put it on such popular SUVs as the Range Rover, Range Rover Sport and Discovery 3. Jaguar engineers created this engine specifically for Land Rover and it is also known as AJ41.
AJ-V8 series: 306PS, 428PS, 448PN, 508PN, 508PS.
Specifications
| Production years | 2004-2009 |
| Displacement, cc | 4394 |
| Fuel system | distributed injection |
| Power output, hp | 300 – 305 |
| Torque output, Nm | 425 – 440 |
| Cylinder block | aluminum V8 |
| Block head | aluminum 32v |
| Cylinder bore, mm | 88 |
| Piston stroke, mm | 90.3 |
| Compression ratio | 10.5 |
| Features | DOHC |
| Hydraulic lifters | no |
| Timing drive | chain |
| Phase regulator | on the intake shafts |
| Turbocharging | no |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 7.7 |
| Fuel type | petrol |
| Euro standards | EURO 4 |
| Fuel consumption, L/100 km (for Range Rover Sport 2007) — city — highway — combined |
20.8 11.2 14.9 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 200 |
The engine was installed on:
- Land Rover Discovery 3 (L319) in 2004 – 2009;
- Land Rover Range Rover 3 (L322) in 2005 – 2009;
- Land Rover Range Rover Sport 1 (L320) in 2005 – 2009.
Disadvantages of the Land Rover 448PN engine
- This is a reliable atmospheric engine and the owners complain only about fuel consumption.
- The most famous engine problem is the rapid failure of the phase regulators.
- Since this is a completely aluminum engine, overheating is contraindicated for it.
- Heavy smoke usually indicates oil from the crankcase ventilation valve entering the intake.
- The remaining problems are associated with lubrication leaks, especially at the joints of the motor sections.
