Construction · Telehandlers
Caterpillar TH408D tuning file
4.4 L · 96 kW / 129 hp · Tier 4 F, Euro 6 · ECU CATERPILLAR A5E12N/A5X12I1, CONTINENTAL-SIEMENS-VDO ACU Gen 3, Caterpillar A5X12I1
Stage 1, DTC and emission-related tuning files for the Caterpillar TH408D, read and written with New Genius, Trasdata, KESS3. Exclusively for dealers and tuning professionals.
Machine data
- Brand
- Caterpillar
- Model
- TH408D
- Series / type
- Telehandlers
- Division
- Construction
- Engine
- 4.4 L
- Rated power
- 96 kW · 131 PS · 129 hp
- Emission stage
- Tier 4 F, Euro 6
- ECU
- CATERPILLAR A5E12N/A5X12I1, CONTINENTAL-SIEMENS-VDO ACU Gen 3, Caterpillar A5X12I1
KESS3 / Powergate
| Year | Version | ECU | KESS3 | Powergate | Functions |
|---|---|---|---|---|---|
| – | TH408D 4.4L 4L | Caterpillar A5X12I1 | BOOT | – | Clone |
Source: Alientech KESS3 / Powergate vehicle list, 14.10.2026. How KESS3 is used on off-highway machines.
New Genius / New Trasdata
| Year | Emission stage | ECU | New Genius (OBD) | New Trasdata |
|---|---|---|---|---|
| 2014 | Tier 4 F | CATERPILLAR A5E12N/A5X12I1 | FLASH_0833 | supported · plugin 1071 |
| 2020 | Euro 6 | CONTINENTAL-SIEMENS-VDO ACU Gen 3 | not listed | supported · plugin 2025 |
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.
More Caterpillar Telehandlers
Machine or brand not listed?
Ask us – the database grows every week.