Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm — Stage 1 file (+82 hp)

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Chip tuning for Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm ECU

Cummins ISX (I) 485ST 14.95L 488hp (359kW) 2516Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 488 to 570 hp (+82 hp, +17%) and torque from 2516 to 2788 Nm (+272 Nm).

The Cummins ECU is a locked platform, tuned through specialised tooling. Cummins is the world leader in heavy-duty diesel-engine production volume. The Cummins ISX is the flagship for Class 8 heavy trucks. DPF/SCR with AdBlue is standard on modern Cummins engines. The Cummins B-Series, ISX and QSB are the main engine families. The top Cummins ISX marks the power ceiling for American trucks.

EFILive, MM3 and MiniMax are the main tools for Cummins (not the standard WinOLS). 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 top Cummins ISX engines mark the power ceiling of the American truck segment.

Frequently asked questions

What is the Stage 1 effect on the Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm?

Stage 1 chip tuning on the Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm boosts engine output by 82 hp: from 488 to 570 hp. Torque rises from 2516 to 2788 Nm (+272 Nm).

What changes in the Cummins ISX ECU after Stage 1?

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 +82 hp with no hardware changes.

What is the Stage 1 potential of the Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm?

On the top-spec Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm engine, Stage 1 is the starting point before Stage 2 with a downpipe, intake and a larger intercooler. The mass-market factory calibration leaves substantial headroom for an aggressive software tune.

How much does Stage 2 add on the Cummins ISX?

Stage 2 for the Cummins ISX 485ST 14.95L 488hp (359kW) 2516Nm is Stage 1 plus hardware changes: a downpipe, a larger intake and a performance intercooler. The gain is considerably higher, but it requires professional component selection.

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 485ST 14.95L 488hp (359kW) 2516Nm: 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 485ST 14.95L 488hp (359kW) 2516Nm 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 485ST 14.95L 488hp (359kW) 2516Nm 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.

Last updated: 31.08.2026 · Source: manufacturer technical documentation · Measurements: CHIPOK dyno