Cummins QSX 635 14.95L 637hp (468kW) 2788Nm — Stage 1 file (+63 hp)
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Stage 1 file for Cummins QSX 635 14.95L 637hp (468kW) 2788Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Cummins QSX 635 14.95L 637hp (468kW) 2788Nm ECU
Cummins QSX (I) 635 14.95L 637hp (468kW) 2788Nm — industrial diesel engine of the commercial segment of the Cummins Inc. group (США, 1919). Stage 1 chip tuning raises power from 637 to 700 hp (+63 hp, +10%) and torque from 2788 to 3342 Nm (+554 Nm).
The Cummins B-Series is an iconic engine line (Dodge Ram, agricultural machinery). 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 CM850/CM870/CM2350 ECUs are a proprietary platform. DPF/SCR with AdBlue is standard on modern Cummins engines. The Cummins B-Series, ISX and QSB are the main engine families.
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 US Cummins community is the world's largest for Dodge Ram and heavy trucks. The top Cummins ISX engines mark the power ceiling of the American truck segment.
Frequently asked questions
How much does the power of the Cummins QSX 635 14.95L 637hp (468kW) 2788Nm increase after Stage 1?
The Stage 1 gain for the Cummins QSX 635 14.95L 637hp (468kW) 2788Nm is 63 hp (+10%) over the stock 637 hp, for a total of 700 hp. Torque rises from 2788 to 3342 Nm (+554 Nm).
What is Stage 1 chip tuning for 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 +63 hp with no hardware changes.
What is the Stage 1 potential of the Cummins QSX 635 14.95L 637hp (468kW) 2788Nm?
Stage 1 for the Cummins QSX 635 14.95L 637hp (468kW) 2788Nm 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 635 14.95L 637hp (468kW) 2788Nm 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 635 14.95L 637hp (468kW) 2788Nm: 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 635 14.95L 637hp (468kW) 2788Nm 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 635 14.95L 637hp (468kW) 2788Nm 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.