CATERPILLAR 317B LN CRAWLER EXCAVATOR

Technical Description

The Caterpillar 317B LN hydraulic excavator is engineered for high productivity and durability, equipped with a Caterpillar 3046T six-cylinder turbocharged diesel engine delivering 109 hp (81 kW) and a displacement of 305.2 cubic inches. This machine has an operating weight of approximately 38,140 lbs, combining power and stability for demanding excavating tasks. It offers four boom and stick configurations, with maximum cutting heights ranging from 28.1 to 29.5 ft and maximum digging depths between 17.3 and 21.4 ft, allowing tailored reach and depth capabilities to optimize job site versatility. Loading heights span from 19.6 to 21.2 ft, while the maximum reach along the ground varies from 26.3 to 29.9 ft, supporting efficient loading and material handling operations. The undercarriage features 19.7-inch track shoes and a track gauge of 6.6 ft, providing a ground clearance of 1.6 ft, tail swing radius of 8.1 ft, and width to outside of tracks of 8.2 ft, ensuring maneuverability on confined sites. It can achieve a maximum travel speed of 3.2 mph with a drawbar pull of 34,650 lbs. The hydraulic system operates at a relief valve pressure of 4,970 psi with a pump flow capacity of 69.8 gpm and fluid capacity of 49.7 gallons, enabling strong hydraulic performance for boom, stick, and implement functions. Fuel capacity is 74 gallons, supporting extended work cycles. The 317B LN excels in controllability, lift capacity, and operator comfort, balancing power and precision for medium to heavy excavation applications.