Introduction Undercarriage components such as track rollers, carrier rollers, sprockets, and track chains are among the most critical and expensive parts of crawler machinery. Proper maintenance can significantly extend their service life and reduce operating costs. 📄 Content The undercarriage system typically accounts for up to 50% of total machine maintenance costs. Therefore, optimizing its lifespan is essential for improving overall equipment efficiency. First, regular inspection is key. Operators should check for abnormal wear, loose bolts, and oil leakage. Early detection of issues can prevent major failures. Second, proper track tension must be maintained. Over-tightened tracks increase wear on rollers and sprockets, while loose tracks may lead to derailment. Adjusting tension according to working conditions is crucial. Third, working habits matter. Avoiding sharp turns, excessive speed, and operating on extremely rough terrain can reduce unnecessary stress on components. Finally, regular cleaning helps prevent dirt and debris from accelerating wear. Mud and stones trapped in the undercarriage can significantly reduce component lifespan.