309-5710 CAT Excavator ECU Control Unit Controller Computer Board

Key Features

1. Standard OEM part number 309‑5710, perfect plug‑and‑play match for target CAT machinery
2. High‑precision mainboard chip, stable signal processing, accurate engine control and fault diagnosis
3. Strict program burning & function testing before shipment, no program error, stable operation
4. Waterproof, dust‑proof and anti‑interference circuit design, adapts to harsh construction site environments
5. Exact pin definition and wiring layout same as original, direct installation without modification
6. Anti‑aging electronic components, long service life and low failure rate under continuous working conditions
7. Supports engine speed control, fuel injection regulation, fault code monitoring and data feedback
8. Wide compatibility with multiple CAT excavator & engine models

Product Information

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Fitment Application

• Suitable for Cat D‑series medium excavators equipped with C6.4 engine, widely used in construction machinery electronic system overhaul and repair workshops.