HINO · MA275700-8921 ECU

HINO 185 MA275700-8921 tuning files

HINO 185 on the MA275700-8921: matched, calibrated and delivered with care. Across the matched variants stock power runs from 166 to 166 HP. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All 185 coverage

Available solutions

Solutions that apply to the MA275700-8921 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the HINO 185 on the MA275700-8921 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 5100 166HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 166 HP
SW upgrade: 3E2Y7400
Calibration: 3E2Y7400

Variant 2

ECU

Catalog engine: 5100 166HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 166 HP
SW upgrade: 3E4M8100
Calibration: 3E4M8100

Related vehicles

Other vehicles built on the MA275700-8921 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the HINO 185 on the MA275700-8921?

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

Do you cover the MA275700-8921 ECU software on this model?

Yes — the HINO 185 on the MA275700-8921 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.