This reliable speed sensor fits perfectly for listed excavators and supporting engines. It detects real-time engine rotational speed and transmits accurate signals to the control system. It assists in stable speed regulation and ensures normal startup and running of mechanical equipment. With solid internal structure and good sealing performance, it can resist vibration and temperature change in harsh working conditions. Manufactured in line with OEM standards, it owns high fitting accuracy, fast signal response and long service life for regular mechanical maintenance.