Opens in a new tab
Dealer LoginContact
Dealer Login

Construction · Backhoe Loader

Caterpillar 434 CAT tuning file

3.6 L · 75 kW / 100 hp · Tier 5 · ECU DENSO A6E11

Stage 1, DTC and emission-related tuning files for the Caterpillar 434 CAT, read and written with New Genius, Trasdata, KESS3. Exclusively for dealers and tuning professionals.

Machine data

Brand
Caterpillar
Model
434 CAT
Series / type
Backhoe Loader
Division
Construction
Engine
3.6 L
Rated power
75 kW · 101 PS · 100 hp
Emission stage
Tier 5
ECU
DENSO A6E11
Engine code
C3.6 Acert

KESS3 / Powergate

YearVersionECUKESS3PowergateFunctions
2020434 3.6L l4Engine C3.6 AcertDenso A6E11BOOT––

Source: Alientech KESS3 / Powergate vehicle list, 14.10.2026. How KESS3 is used on off-highway machines.

New Genius / New Trasdata

YearEmission stageECUNew Genius (OBD)New Trasdata
–Tier 5DENSO A6E11FLASH_0835supported · plugin 1803

Source: Dimsport application list, release 06.10.2026. Emission stages are shortened as in that list.

Other tools

AutoTuner
ECU family not listedMatched by ECU name against the AutoTuner compatibility list of 13.10.2026. Support differs by brand, so check before quoting. AutoTuner on agricultural and construction machines.

Machine or brand not listed?

Ask us – the database grows every week.