CATERPILLAR · A5E2 ECU

CATERPILLAR 320D A5E2 tuning files

Here is what the catalog holds for the CATERPILLAR 320D on the A5E2. The matched variants sit between 90 and 121 HP from the factory. 2 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All 320D coverage

Available solutions

What we can run on the A5E2 for this vehicle — the precise options narrow down by engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the CATERPILLAR 320D on the A5E2 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 4400 121HP
Controller brand: CATERPILLAR
ECU: A5E2
Stock power: 121 HP

Variant 2

ECU

Catalog engine: 4400 90HP
Controller brand: CATERPILLAR
ECU: A5E2
Stock power: 90 HP

Related vehicles

Other vehicles built on the A5E2 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the CATERPILLAR 320D on the A5E2?

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

Do you cover the A5E2 ECU software on this model?

Yes — the CATERPILLAR 320D on the A5E2 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.