Cummins QSX 400 14.95L 407hp (299kW) 1969Nm — Stage 1 file (+83 hp)
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Stage 1 file for Cummins QSX 400 14.95L 407hp (299kW) 1969Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins QSX 400 14.95L 407hp (299kW) 1969Nm ECU
Cummins QSX (I) 400 14.95L 407hp (299kW) 1969Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 407 to 490 hp (+83 hp, +20%) and torque from 1969 to 2350 Nm (+381 Nm).
Cummins is the world leader in heavy-duty diesel-engine production volume. The Cummins ISX is the flagship for Class 8 heavy trucks. Cummins is an American diesel-engine manufacturer, founded in 1919. 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
What power gain do you get after chip tuning the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm?
After Stage 1 the power of the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm rises from 407 to 490 hp, a gain of 83 hp (+20%). Torque rises from 1969 to 2350 Nm (+381 Nm).
How does Stage 1 differ from stock on the Cummins QSX?
Stage 1 chip tuning of the Cummins QSX is a rework of the ECU maps: boost pressure, ignition advance, target lambda and the removal of factory torque limiters. The gain is +83 hp with no hardware changes.
What is the Stage 1 potential of the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm?
Stage 1 for the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm 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 QSX?
Stage 2 on the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
What happens to the Cummins QSX warranty after chip tuning?
The factory warranty of the Cummins QSX 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 QSX take?
On the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm: 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 QSX?
Yes, the original ECU firmware of the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm 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 QSX?
Stage 1 for the Cummins QSX 400 14.95L 407hp (299kW) 1969Nm 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.