Cummins ISX 400 14.95L 402hp (296kW) 2108Nm — Stage 1 file (+74 hp)
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Stage 1 file for Cummins ISX 400 14.95L 402hp (296kW) 2108Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins ISX 400 14.95L 402hp (296kW) 2108Nm ECU
Cummins ISX (I) 400 14.95L 402hp (296kW) 2108Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 402 to 476 hp (+74 hp, +18%) and torque from 2108 to 2452 Nm (+344 Nm).
Cummins is an American diesel-engine manufacturer, founded in 1919. The Cummins B-Series is an iconic engine line (Dodge Ram, agricultural machinery). The Cummins ECU is a locked platform, tuned through specialised tooling. The Cummins B-Series, ISX and QSB are the main engine families. The top Cummins ISX marks the power ceiling for American trucks. The Cummins CM850/CM870/CM2350 ECUs are a proprietary platform.
The US Cummins community is the world's largest for Dodge Ram and heavy trucks. Cummins confidently reaches Stage 2 with hardware (turbos, injectors). The Cummins ECU is a locked platform requiring specialised tooling. The top Cummins ISX engines mark the power ceiling of the American truck segment.
Frequently asked questions
How much horsepower does Stage 1 add for the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm?
After Stage 1 the power of the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm rises from 402 to 476 hp, a gain of 74 hp (+18%). Torque rises from 2108 to 2452 Nm (+344 Nm).
How does Stage 1 differ from stock on the Cummins ISX?
Stage 1 chip tuning of the Cummins ISX is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +74 hp with no hardware changes.
What is the Stage 1 potential of the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm?
Stage 1 for the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm unlocks the potential built in by the factory but artificially capped to meet mass-market targets. A base of 750-800 hp is achievable once hardware is added.
How much does Stage 2 add on the Cummins ISX?
Stage 2 on the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What happens to the Cummins ISX warranty after chip tuning?
The factory warranty of the Cummins ISX does not remain valid after Stage 1 — the manufacturer withdraws its obligations once the ECU software is changed. CHIPOK provides its own warranty on its work and support.
How long does remapping the Cummins ISX take?
On the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm: OBD flash 25-30 minutes, Bench (if required) about an hour. The file processing itself takes 5-30 minutes once the original bin is received.
Is the original file kept when chip tuning the Cummins ISX?
Yes, the original ECU firmware of the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm is kept and can be flashed back at any time. Returning to stock via OBD takes 25-30 minutes.
What is the price of a Stage 1 remap for the Cummins ISX?
Stage 1 for the Cummins ISX 400 14.95L 402hp (296kW) 2108Nm is paid for with CHIPOK credits (1 cr = 1 €). The final amount is set in the calculator, taking the extra options (off functions) into account.