Engine Jaguar AJ126

The Jaguar AJ126 3.0 Supercharged 3.0-liter engine was assembled from 2012 to 2019 and installed on advanced versions of such popular models as the XF, XJ, F-Pace or F-Type. This V6 engine was a trimmed AJ-V8 unit and is also known as the Land Rover 306PS.

AJ-V8 series: AJ126, AJ27, AJ27S, AJ28, AJ33, AJ33S, AJ34, AJ34S, AJ133, AJ133S.


Production years 2012-2019
Displacement, cc 2995
Fuel system direct injection
Power output, hp 340 – 400
Torque output, Nm 450 – 460
Cylinder block aluminum V6
Block head aluminum 24v
Cylinder bore, mm 84.5
Piston stroke, mm 89
Compression ratio 10.5
Features intercooler
Hydraulic lifters no
Timing drive chain
Phase regulator on all shafts
Turbocharging Eaton M112
Recommended engine oil 5W-20
Engine oil capacity, liter 7.25
Fuel type petrol
Euro standards EURO 5
Fuel consumption, L/100 km (for Jaguar XF S 2017)
— city
— highway
— combined
Engine lifespan, km ~300 000

The engine was installed on:

  • Jaguar XE 1 (X760) in 2015 – 2019;
  • Jaguar XF 1 (X250) in 2012 – 2015; XF 2 (X260) in 2015 – 2018;
  • Jaguar XJ 8 (X351) in 2012 – 2019;
  • Jaguar F-Pace 1 (X761) in 2016 – 2018;
  • Jaguar F-Type 1 (X152) in 2013 – 2019.

Disadvantages of the Jaguar AJ126 engine

  • The timing chain is not very large resource, usually from 100 to 150 thousand km;
  • Also, the damper sleeve in the supercharger drive fails quite quickly;
  • The pump does not last long here, and the plastic cooling tee often bursts;
  • The motor does not tolerate bad fuel and the throttle with nozzles has to be cleaned;
  • The remaining problems are associated with oil leaks through valve covers and seals.

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