HINO · MA275700-8921 ECU

HINO 300 SERIES MA275700-8921 tuning files

The HINO 300 SERIES on the MA275700-8921, mapped from stock file to finished result. The matched variants sit between 170 and 300 HP from the factory. 4 distinct variants are catalogued here. Stage 1 and Stage 2 are the safe starting points for this platform. Each file is tied to the precise software on your car and checked before it goes out.

Upload your file →All 300 SERIES 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

4 distinct variants for the HINO 300 SERIES on the MA275700-8921 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 9000 300HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 300 HP

Variant 2

ECU

Catalog engine: 4000 170HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 170 HP

Variant 3

ECU

Catalog engine: 4000 170HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 170 HP
SW upgrade: 3E3J0000
Calibration: 3E3J0000

Variant 4

ECU

Catalog engine: 4000 170HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 170 HP
SW upgrade: 3E361000
Calibration: 3E361000

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 300 SERIES 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 300 SERIES 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.