JCB · DCM3.3 ECU · diesel

JCB FASTRAC 4000 SERIES DCM3.3 tuning files

Everything we work with on the JCB FASTRAC 4000 SERIES fitted with the DCM3.3. Stock output across the matched variants spans 75–75 HP. Diesel calibration here covers everything from a clean Stage 1 to the emissions-side work. Your file is built against the exact ECU software on the car, then operator-verified.

Available solutions

What we can run on the DCM3.3 for this diesel — the precise options narrow down by engine and software version.

Stage 1Stage 2DPF OffEGR OffSwirl Flaps OffLambda / O2MAF OffTVANOx OffAGSReadinessStart/Stop OffOil PressureLimp Mode Off

Engine variants & ECU software

1 distinct variant for the JCB FASTRAC 4000 SERIES on the DCM3.3 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
4400 75HP
Controller brand
DELPHI
ECU
DCM3.3
Stock power
75 HP

Related vehicles

Other vehicles built on the DCM3.3 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the JCB FASTRAC 4000 SERIES on the DCM3.3?

Stage 1, Stage 2, DPF Off, EGR Off, Swirl Flaps Off, Lambda / O2, MAF Off, TVA, NOx Off, AGS, Readiness, Start/Stop Off, Oil Pressure, Limp Mode Off. The exact set depends on the specific engine and software version.

Do you cover the DCM3.3 ECU software on this model?

Yes — the JCB FASTRAC 4000 SERIES on the DCM3.3 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.

JCB FASTRAC 4000 SERIES DCM3.3 ECU Tuning Files | TuningBay