This brand-new speed sensor is a practical replacement part for various excavator models. It can accurately detect mechanical rotation speed and transfer effective signals to the equipment control system. It assists machines to finish stable speed control and normal working power matching. With solid overall structure and reliable sealing performance, it can work normally under long-time field operation. Produced strictly according to industry standard specifications, it features sensitive induction response, easy installation steps and durable service life for excavator daily repair work.