CUMMINS · CM850 ECU

CUMMINS QSD CM850 tuning files

Here is what the catalog holds for the CUMMINS QSD on the CM850. Stock output across the matched variants spans 175–175 HP. Stage 1 and Stage 2 are the safe starting points for this platform. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All QSD coverage

Available solutions

Applicable work for the CM850 on this vehicle. The available set firms up once the exact engine and software are known.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the CUMMINS QSD on the CM850 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 8700 175HP
Controller brand: MOTOROLA
ECU: CM850
Stock power: 175 HP

Variant 2

ECU

Catalog engine: 8700 175HP
Controller brand: MOTOROLA
ECU: CM850
Stock power: 175 HP
ECU SW: Z91254.01
ECU HW: 4921776

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 QSD 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 QSD 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.