CATERPILLAR 320B S CRAWLER EXCAVATORS

Technical Description

The Caterpillar 320B S hydraulic excavator is a medium-sized machine designed for efficient digging, loading, and material handling with versatile boom and stick configurations. It features a robust Cat 3116T diesel engine with a displacement of 402.8 cubic inches, delivering a net power of 128 hp (95 kW). The operating weight is approximately 49,670 lbs, ensuring stability during heavy-duty tasks. The excavator offers multiple boom and stick options, with maximum digging depths ranging from 17.3 to 21.3 feet and maximum cutting heights between 28.8 and 31.1 feet, depending on the configuration. Its maximum reach along the ground extends up to 31.8 feet, facilitating work over large areas. In terms of dimensions, the unit has a shipping height of around 10.7 feet and a length varying from 17 to 30.8 feet based on boom/stick options. The excavator runs on tracks with a 6.3-foot gauge and 21.7-inch shoe size, while ground clearance is 1.7 feet. The tail swing radius is 9.1 feet, providing maneuverability in confined spaces. The hydraulic system delivers a pump flow capacity of 97.8 gallons per minute and operates at a relief valve pressure of 4,980 psi. Performance-wise, the machine offers a drawbar pull of 39,800 lbs and a maximum travel speed of 3.5 mph. The excavator’s loading height can reach up to 22.2 feet depending on the boom/stick choice. These specifications make the 320B S suitable for diverse construction and earthmoving tasks, combining power, reach, and operational flexibility in a reliable package.