CUMMINS · CM850 ECU

CUMMINS ISF CM850 tuning files

Everything we work with on the CUMMINS ISF fitted with the CM850. Stock output across the matched variants spans 400–400 HP. 2 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.

Upload your file →All ISF coverage

Available solutions

What we can run on the CM850 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 CUMMINS ISF on the CM850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 9000 400HP
Controller brand: MOTOROLA
ECU: CM850
Stock power: 400 HP
ECU HW: 4921776

Variant 2

ECU

Catalog engine: 9000 400HP
Controller brand: MOTOROLA
ECU: CM850
Stock power: 400 HP

Related vehicles

Other vehicles built on the CM850 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the CUMMINS ISF on the CM850?

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

Do you cover the CM850 ECU software on this model?

Yes — the CUMMINS ISF on the CM850 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.