Caterpillar 3126B — Stage 1 / Stage 2 parameters

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Все двигатели Caterpillar 3126B в базе

Engine Version ECU Stock Stage 1 Gain
7.2 193hp (142kW) 705Nm I — 193 hp 230 hp +37
7.2 214hp (157kW) 705Nm I — 214 hp 208 hp +-6
7.2 214hp (157kW) 820Nm I — 214 hp 255 hp +41
7.2 234hp (172kW) 832Nm I — 234 hp 280 hp +46
7.2 234hp (172kW) 895Nm I — 234 hp 280 hp +46
7.2 253hp (186kW) 1085Nm I — 253 hp 304 hp +51
7.2 253hp (186kW) 895Nm I — 253 hp 304 hp +51
7.2 279hp (205kW) 1085Nm I — 279 hp 334 hp +55
7.2 279hp (205kW) 1166Nm I — 279 hp 334 hp +55
7.2 305hp (224kW) 1085Nm I — 305 hp 350 hp +45
7.2 305hp (224kW) 1166Nm I — 305 hp 350 hp +45
7.2 335hp (246kW) 1166Nm I — 335 hp 412 hp +77

Stage 1 / Stage 2 parameter catalog for Caterpillar 3126B: 12 engines, all diesel. 193–335 hp stock → up to 412 Stage 1. All data is based on actual CHIPOK Stage files for specific ECUs.

Calibration for Caterpillar 3126B is done in licensed WinOLS5. DPF / EGR / AdBlue are switched off per the manufacturer's service documentation — with no pending DTCs after flashing.

Each table row leads to a dedicated engine page with Stage 1 figures, a dyno chart and options. Available options: DPF off, EGR off, AdBlue / SCR off, Lambda off, DTC off, Speed limiter off, Flaps off. The file is prepared in 30-60 minutes on the CHIPOK portal, paid with credits and no subscription fees.

Caterpillar 3126B engines in our database: Cat 3126B 7.2L inline-6 diesel 175-300 hp (medium-duty truck/bus engine, 1997-2003). Specific ECU units: Caterpillar ADEM A3. Model-specific notes: First Cat common-rail diesel for medium-duty; ADEM A3 ECM — Cat proprietary (not Bosch/Delphi); Stage 1 via Cat ET (Electronic Technician) — software unlock of performance ratings; discontinued 2003, replaced by C7.

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