The excavator undercarriage plays a vital role in machine mobility and load-bearing capacity. Comprising tracks, drive sprockets, carrier rollers, idler wheels, and tensioning systems, it ensures stable movement across various terrains. A well-designed undercarriage enhances traction and maneuverability, especially in muddy, uneven, or loose ground conditions. Modern undercarriages also focus on lightweight construction and energy efficiency, reducing fuel consumption while maintaining strength and reliability for long-term operation.