HARLEY DAVIDSON · HD CAN ECU

HARLEY DAVIDSON Fat Boy HD CAN tuning files

Tuning file coverage for the HARLEY DAVIDSON Fat Boy running the HD CAN ECU. Across the matched variants stock power runs from 63 to 63 HP. 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.

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Available solutions

Solutions that apply to the HD CAN on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

3 distinct variants for the HARLEY DAVIDSON Fat Boy on the HD CAN ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 1687 63HP
Controller brand: DELPHI
ECU: HD CAN
Stock power: 63 HP
ECU HW: 41000065E
SW upgrade: 41000395A
Calibration: 41000395A

Variant 2

ECU

Catalog engine: 1687 63HP
Controller brand: DELPHI
ECU: HD CAN
Stock power: 63 HP
SW upgrade: 357SDR001-00
Calibration: 357SDR001-00

Variant 3

ECU

Catalog engine: 1687 63HP
Controller brand: DELPHI
ECU: HD CAN
Stock power: 63 HP
ECU HW: 41000065E
SW upgrade: 357SDQ001-00
Calibration: 357SDQ001-00

Related vehicles

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

Questions, answered.

Which tuning solutions are available for the HARLEY DAVIDSON Fat Boy on the HD CAN?

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

Do you cover the HD CAN ECU software on this model?

Yes — the HARLEY DAVIDSON Fat Boy on the HD CAN 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.