JCB 4220 6.6l Tuning
Supported in 2 JCB models, 2014+.
JCB
2 supported 4220 6.6l applications
Models With the JCB 4220 6.6l
All Supported JCB 4220 6.6l Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Fastrac | 2014+ | 219 hp | ECU Bosch EDC17CV41 | AutoTuner | |
| Fastrac 4000 | 2014+ | 217 hp | ECU Bosch EDC17CV41 | AutoTuner |
About JCB 4220 6.6l tuning
We tune the JCB 4220 6.6l in 2 applications across the Fastrac, Fastrac 4000, from 2014+, in diesel form, with stock outputs of 217-219 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch EDC17CV41.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.