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 family: AJ126, AJ27, AJ27S, AJ28, AJ33, AJ33S, AJ34, AJ34S, AJ133, AJ133S.
Specifications
| 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 |
11.7 6.3 8.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 190 |
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.
Frequently asked questions about the Jaguar AJ126
How much power does the Jaguar AJ126 make?
The Jaguar AJ126 develops 340 - 400 hp and 450 - 460 Nm of torque.
How much oil does the Jaguar AJ126 take and which one?
Engine oil capacity: 7.25 liters. Recommended oil: 5W-20.
Does the Jaguar AJ126 have a timing belt or chain?
The Jaguar AJ126 uses a timing chain.
Is the Jaguar AJ126 turbocharged?
Yes, the Jaguar AJ126 is turbocharged (Eaton M112).
Does the Jaguar AJ126 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 Jaguar AJ126 last?
The typical lifespan of the Jaguar AJ126 is ~300 000 km with proper maintenance.
What is the fuel consumption of the Jaguar AJ126?
Jaguar XF S 2017: city 11.7, highway 6.3, combined 8.3 L/100 km.
What cars was the Jaguar AJ126 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.
What are the common problems of the Jaguar AJ126?
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. All known problems.





