CATERPILLAR · A5X12I1 ECU

CATERPILLAR TH406 A5X12I1 tuning files

Here is what the catalog holds for the CATERPILLAR TH406 on the A5X12I1. Stock output across the matched variants spans 130–130 HP. 3 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Your file is built against the exact ECU software on the car, then operator-verified.

Upload your file →All TH406 coverage

Available solutions

Applicable work for the A5X12I1 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

3 distinct variants for the CATERPILLAR TH406 on the A5X12I1 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4400 130HP
Controller brand: CATERPILLAR
ECU: A5X12I1
Stock power: 130 HP

Variant 2

ECU

Catalog engine: 4400 130HP
Controller brand: CATERPILLAR
ECU: A5X12I1
Stock power: 130 HP
ECU SW: 5687833-00
ECU HW: 458-7273-00

Variant 3

ECU

Catalog engine: 4400 130HP
Engine code: C4.4
Controller brand: CATERPILLAR
ECU: A5X12I1
Stock power: 130 HP
ECU SW: 3453388-03
ECU HW: 3513155-01

Related vehicles

Other vehicles built on the A5X12I1 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the CATERPILLAR TH406 on the A5X12I1?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the A5X12I1 ECU software on this model?

Yes — the CATERPILLAR TH406 on the A5X12I1 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.