hitachi excavator undercarriage parts

Hitachi excavator undercarriage parts mainly track rollers, sprockets, idlers, carrier rollers, and tracks. Track roller: As the name implies, it plays a supporting role and is located between the lower surface of the left/right beam of the undercarriage and the crawler, depending on the tonnage of the excavator. Usually there are 5-10 on one side. Driving sprockets: plays the role of driving the crawler, fixed on the traveling motor, and transmits the driving force of the traveling motor to the crawler through the gear structure. Usually 1 on each travel motor. Idler wheel: plays the role of guiding the track and is located at the end opposite to the driving force. Usually there are 2 per excavator.