The JCB JS131LC is a robust tracked excavator engineered for demanding construction and excavation tasks. With a net engine power of 74 hp (55 kW) delivered by the JCB EcoMAX 444 TCA 55 engine, this machine meets EU Stage IIIB and EPA Tier 4 Final emissions standards, ensuring both performance and environmental compliance. The water-cooled, 4-stroke, 4-cylinder in-line diesel engine features common rail injection and a turbocharged fixed geometry intercooler, providing reliable power at 1800 rpm. The hydraulic system is equipped with two variable displacement axial piston main pumps, delivering a maximum flow of 34.4 gallons per minute, and a gear-type servo pump for responsive control. The excavator’s service brake system utilizes a hydraulic counter balance valve, while the parking brake is a disc type, spring applied, and automatically released hydraulically. Key dimensions include a counterweight clearance of 3 ft, ground clearance of 1.4 ft, a cab height of 9.4 ft, a track gauge of 6.6 ft, and a tail swing radius of 7.1 ft, ensuring maneuverability in confined spaces. The undercarriage features 44 shoes per side and a grease cylinder type track adjustment system for durability and easy maintenance. Operating specifications include a cooling system fluid capacity of 5.3 gallons, engine oil capacity of 3.7 gallons, fuel capacity of 58.2 gallons, and a hydraulic system fluid capacity of 33.3 gallons. The JS131LC’s combination of advanced engine technology, efficient hydraulic system, and rugged undercarriage makes it a reliable and productive choice for a wide range of excavation applications.