Case IH 420 12.9l Tuning
Supported in 2 Case IH models, 2014+.
Case IH
2 supported 420 12.9l applications
Models With the Case IH 420 12.9l
All Supported Case IH 420 12.9l Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| Quadtrac | 2014+ | 426 hp | ECU Bosch EDC17CV41 | AutoTuner | |
| Steiger | 2017+ | 426 hp | ECU Bosch EDC17CV41 | AutoTuner |
About Case IH 420 12.9l tuning
We tune the Case IH 420 12.9l in 2 applications across the Quadtrac, Steiger, from 2014+, in diesel form, with stock outputs of 426 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.