CATERPILLAR 320B L CRAWLER EXCAVATOR

Technical Description

The Caterpillar 320B L is a mid-sized hydraulic crawler excavator powered by a turbocharged Cat 3066T diesel engine delivering 128 horsepower at 1800 rpm. The machine weighs approximately 45,500 pounds in standard undercarriage configuration and travels at a maximum speed of 3.5 mph, with a maximum drawbar pull of 39,800 pounds. The 320B L features five boom and stick configurations offering versatile digging capabilities. The primary option delivers maximum cutting and loading heights of 32 feet and 22.8 feet respectively, with a maximum digging depth of 24.9 feet and ground reach of 34.9 feet. Alternative configurations provide varying reach and depth combinations, ranging from maximum digging depths of 18.5 to 24.9 feet depending on boom-stick selection. The hydraulic system operates at maximum pressures of 4,980 psi for equipment and travel functions, with swing pressure at 3,340 psi, supported by a 97.8 gpm hydraulic pump. Bucket capacity ranges from 0.5 to 2.0 cubic yards, with a standard reference bucket of 1.2 cubic yards. The excavator maintains a compact footprint with 10.5-foot track width, 9.7-foot cab height, and 12-foot ground contact length, allowing operation in confined spaces. The 320B L accommodates various work tools including hammers, shears, rotators, grapples, and crushers through quick-coupler attachment systems. Electronic engine controls optimize performance and fuel efficiency while maintaining compliance with current emissions standards.