Engine · Cummins QSX All
425 - 14.95 - 1952 Nm
Explore available calibrations, measured performance figures, and options for this engine.
- Fuel
- Diesel
- Stock power
- 428 hp
- ECU access
- Standard access
- Available calibrations
- 1
Cummins · QSXPerformance
Power+92 hp · +21%
520hp428 hp
Torque+448 Nm · +23%
2,400Nm1,952 Nm
What happens on the day
- 01
Diagnostic check
We inspect the whole vehicle before making any change.
- 02
Baseline dyno run
Stock output is measured on your own vehicle.
- 03
Backup and calibration
The factory file is saved before a safe, tailored calibration.
- 04
Final run and handover
We verify the datalogs and give you the results.
Not your engine?
Choose another engine from the same generation.
350 - 14.95 - 1607 NmDiesel352 hp360 - 14.95 - 1652 NmDiesel362 hp375 - 14.95 - 1652 NmDiesel383 hp380 - 14.95 - 1580 NmDiesel383 hp390 - 14.95 - 1825 NmDiesel371 hp400 - 14.95 - 1969 NmDiesel407 hp425 - 14.95 - 1952 NmCurrent428 hp450 - 14.95 - 2102 NmDiesel459 hp460 - 14.95 - 2370 NmDiesel462 hp475 - 14.95 - 2370 NmDiesel477 hp485 - 14.95 - 2365 NmDiesel494 hp500 - 14.95 - 2365 NmDiesel509 hp500 - 14.95 - 2416 NmDiesel509 hp510 - 14.95 - 2365 NmDiesel519 hp520 - 14.95 - 2365 NmDiesel522 hp525 - 14.95 - 2450 NmDiesel527 hp530 - 14.95 - 2300 NmDiesel532 hp535 - 14.95 - 2540 NmDiesel536 hp540 - 14.95 - 2355 NmDiesel542 hp560 - 14.95 - 2365 NmDiesel570 hp560 - 14.95 - 2542 NmDiesel570 hp600 - 14.95 - 2542 NmDiesel570 hp630 - 14.95 - 2542 NmDiesel632 hp635 - 14.95 - 2788 NmDiesel637 hp