Caterpillar 3126B 7.2 335hp (246kW) 1166Nm — Stage 1 file (+77 hp)
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Stage 1 file for Caterpillar 3126B 7.2 335hp (246kW) 1166Nm
Target +0 hp. Custom development for your engine.
Chip tuning for Caterpillar 3126B 7.2 335hp (246kW) 1166Nm ECU
Caterpillar 3126B (I) 7.2 335hp (246kW) 1166Nm — industrial diesel engine of the agricultural segment of the Caterpillar Inc. group (США, 1925). Stage 1 chip tuning raises power from 335 to 412 hp (+77 hp, +23%) and torque from 1166 to 1440 Nm (+274 Nm).
Caterpillar is the world's largest maker of construction and mining equipment. Caterpillar is an American maker of heavy equipment and diesel engines, founded in 1925. The CAT C7, C9, C13, C15 and C18 form a range of diesel engines for heavy equipment. CAT engines are used in construction, mining and marine equipment. DPF/SCR with AdBlue is standard on modern Tier 4 models. High-output CAT machines are the flagships of the construction and mining equipment range.
The CAT ECU is a locked platform requiring specialised tooling. On CAT, Stage 1 focuses on torque and fuel economy. The CAT community is a niche corner of industrial chip tuning. High-output CAT machines are the flagships of the construction and mining segment.
Frequently asked questions
What is the Stage 1 effect on the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm?
Stage 1 chip tuning on the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm boosts engine output by 77 hp: from 335 to 412 hp. Torque rises from 1166 to 1440 Nm (+274 Nm).
What changes in the Caterpillar 3126B ECU after Stage 1?
Stage 1 on the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm 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 powerful Caterpillar 3126B 7.2 335hp (246kW) 1166Nm?
Stage 1 on the powerful Caterpillar 3126B 7.2 335hp (246kW) 1166Nm “lifts” the factory limiters with no hardware changes. The gain is noticeable in the mid and upper range. There is headroom left for moving to Stage 2 (downpipe + intake + intercooler).
How does Stage 2 differ from Stage 1 on the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm?
Stage 2 for the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm 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 Stage 1 void the warranty on the Caterpillar 3126B?
Stage 1 on the Caterpillar 3126B 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 Caterpillar 3126B 7.2 335hp (246kW) 1166Nm done?
The full remap cycle for the Caterpillar 3126B — 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 Caterpillar 3126B?
The original Caterpillar 3126B 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 Caterpillar 3126B 7.2 335hp (246kW) 1166Nm?
The cost of Stage 1 for the Caterpillar 3126B 7.2 335hp (246kW) 1166Nm 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.