YNF17061 YM129940-75030 ECU Yanmar Excavator Genuine-Quality Controller Computer Board

The YNF17061 ECU, equivalent to OEM YM129940-75030, is engineered for Yanmar excavators requiring accurate engine and electronic system control. As the machine’s central control module, this ECU manages fuel injection timing, RPM stability, power output logic, and communication with key sensors. A stable ECU directly improves machine response, fuel efficiency, and overall performance.

Developed with genuine-quality PCB materials and industrial-grade protective components, this controller is designed to withstand harsh working environments such as high vibration, dust exposure, and extreme temperatures. It is widely selected by excavator maintenance centers, parts dealers, and fleet operators for its reliable performance and long service life.

Replacing a faulty ECU can resolve issues such as unstable idling, reduced power, incorrect sensor data, intermittent alarms, and starting difficulties. The YNF17061 controller offers an efficient and cost-effective way to restore Yanmar machine performance.