Variant 1
ECU- Catalog engine
- 15000 565HP
- Controller brand
- MOTOROLA
- ECU
- CM871
- Stock power
- 565 HP
PETERBILT TRUCK · CM871 ECU
PETERBILT TRUCK MODEL 386 CM871 tuning files
The PETERBILT TRUCK MODEL 386 on the CM871, mapped from stock file to finished result. Across the matched variants stock power runs from 555 to 565 HP. 2 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.
Available solutions
Applicable work for the CM871 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
2 distinct variants for the PETERBILT TRUCK MODEL 386 on the CM871 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 15000 555HP
- Controller brand
- MOTOROLA
- ECU
- CM871
- Stock power
- 555 HP
Related vehicles
Other vehicles built on the CM871 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the PETERBILT TRUCK MODEL 386 on the CM871?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the CM871 ECU software on this model?
Yes — the PETERBILT TRUCK MODEL 386 on the CM871 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.