Engine Land Rover 448PN

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.


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
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.

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