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 family: 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.
Frequently asked questions about the Land Rover 448PN
How much power does the Land Rover 448PN make?
The Land Rover 448PN develops 300 - 305 hp and 425 - 440 Nm of torque.
How much oil does the Land Rover 448PN take and which one?
Engine oil capacity: 7.7 liters. Recommended oil: 5W-30.
Does the Land Rover 448PN have a timing belt or chain?
The Land Rover 448PN uses a timing chain.
Is the Land Rover 448PN turbocharged?
No, the Land Rover 448PN is naturally aspirated.
Does the Land Rover 448PN need valve clearance adjustment?
Yes, there are no hydraulic lifters, so the valve clearances have to be checked and adjusted periodically.
How long does the Land Rover 448PN last?
The typical lifespan of the Land Rover 448PN is ~400 000 km with proper maintenance.
What is the fuel consumption of the Land Rover 448PN?
Range Rover Sport 2007: city 20.8, highway 11.2, combined 14.9 L/100 km.
What cars was the Land Rover 448PN 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.
What are the common problems of the Land Rover 448PN?
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. All known problems.
