Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm — Stage 1 file (+72 hp)
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Stage 1 file for Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm ECU
Cummins ISX (I) 400ST 14.95L 402hp (296kW) 2244Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 402 to 474 hp (+72 hp, +18%) and torque from 2244 to 2490 Nm (+246 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 top Cummins ISX marks the power ceiling for American trucks. The Cummins CM850/CM870/CM2350 ECUs are a proprietary platform. DPF/SCR with AdBlue is standard on modern Cummins engines.
Cummins confidently reaches Stage 2 with hardware (turbos, injectors). The Cummins ECU is a locked platform requiring specialised tooling. EFILive, MM3 and MiniMax are the main tools for Cummins (not the standard WinOLS). 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 400ST 14.95L 402hp (296kW) 2244Nm?
Stage 1 for the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm adds +72 hp — power increases from 402 to 474 hp (+18%). Torque rises from 2244 to 2490 Nm (+246 Nm).
What does a Stage 1 remap of the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm include?
Stage 1 is a software optimization of the factory ECU firmware of the Cummins ISX with no hardware changes. The injection, boost, ignition-timing and torque maps are reprogrammed. The gain is +72 hp with no hardware changes.
Does Stage 1 make sense on the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm with this much power?
On the top-spec Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm 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.
What is Stage 2 for the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm?
Stage 2 for the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm 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.
Does the factory warranty of the Cummins ISX remain valid after Stage 1?
After remapping the Cummins ISX, the official factory warranty on the engine and gearbox is lost (this applies to any manufacturer when the ECU is modified). CHIPOK guarantees the quality of the calibration and free revisions.
How long is the wait for a Stage 1 remap for the Cummins ISX?
Reading and writing via OBD takes 25-30 minutes on the Cummins ISX. Bench reading (BDM/JTAG) takes about 60 minutes plus refitting. Remote file processing at CHIPOK takes 5-30 minutes.
How do you roll back to the factory firmware of the Cummins ISX?
Before Stage 1 the original of the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm is read out and saved — returning to the factory state is possible at any time.
How much does chip tuning the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm cost?
The remap price for the Cummins ISX 400ST 14.95L 402hp (296kW) 2244Nm is dynamic and is calculated in the CHIPOK calculator based on the selected options. A credit-based payment model, with no subscription fees.