Cummins ISX 435 14.95L 437hp (321kW) 1972Nm — Stage 1 file (+77 hp)
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Stage 1 file for Cummins ISX 435 14.95L 437hp (321kW) 1972Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins ISX 435 14.95L 437hp (321kW) 1972Nm ECU
Cummins ISX (I) 435 14.95L 437hp (321kW) 1972Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 437 to 514 hp (+77 hp, +18%) and torque from 1972 to 2258 Nm (+286 Nm).
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 is an iconic engine line (Dodge Ram, agricultural machinery). 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 many horsepower does the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm reach after a remap?
After Stage 1 the power of the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm rises from 437 to 514 hp, a gain of 77 hp (+18%). Torque rises from 1972 to 2258 Nm (+286 Nm).
How does Stage 1 differ from stock on the Cummins ISX?
Stage 1 on the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm is a software ECU calibration with no hardware changes. The key maps (boost/ignition/lambda/torque) are adjusted while factory tolerances are preserved. The gain is +77 hp with no hardware changes.
What does Stage 1 give on the top-spec Cummins ISX 435 14.95L 437hp (321kW) 1972Nm?
Stage 1 for the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm 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 does Stage 2 differ from Stage 1 on the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm?
Stage 2 on the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm means software + hardware (exhaust, intake, intercooler). The gain depends on the specific hardware combination.
Does Stage 1 void the warranty on the Cummins ISX?
Stage 1 on the Cummins ISX voids the factory warranty on the engine and transmission — this is standard for all manufacturers. CHIPOK provides its own warranty on the quality of the remap.
How quickly is chip tuning of the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm done?
The full remap cycle for the Cummins ISX — from reading to writing the final file — takes 30-90 minutes depending on the ECU access method. The file is prepared at CHIPOK in 5-30 minutes.
Can you return to stock after Stage 1 on the Cummins ISX?
The original Cummins ISX ECU is always saved before flashing. Rolling back to the factory firmware is done with the same programmer in 25-30 minutes.
How much does Stage 1 cost for the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm?
The cost of Stage 1 for the Cummins ISX 435 14.95L 437hp (321kW) 1972Nm is calculated in the calculator on this page — you select the options (DPF off, EGR off, AdBlue off, DTC off, etc.) and the price is capped by the package Max Price. Payment is by credits (1 cr = 1 €), with no subscriptions.