The Caterpillar 320C L is a versatile medium-duty hydraulic excavator powered by a reliable Cat 3066 T six-cylinder turbocharged diesel engine delivering 138 net horsepower and 103 kilowatts. This machine features an operating weight of approximately 46,300 pounds with a long undercarriage configuration, providing excellent stability across diverse job sites. The excavator offers four interchangeable boom and stick combinations, enabling operators to optimize working envelopes for specific applications. Configuration options range from compact setups achieving 35.6-foot maximum cutting heights to extended reach systems exceeding 40.7 feet, with digging depths varying from 13.7 to 19.6 feet depending on selected attachments. The 320C L accommodates bucket capacities between 0.7 and 1.8 cubic yards, providing flexibility for material handling tasks. Key operational capabilities include a maximum drawbar pull of 44,062.6 pounds, travel speed of 3.5 miles per hour, and swing speed of 11.5 RPM with 45,611 foot-pounds of torque. The undercarriage features standard 600-millimeter track shoes with a 7.9-foot gauge width, ensuring adequate ground contact and reduced ground pressure. The operator cabin is positioned 9.7 feet above ground, providing excellent visibility and comfort. Advanced hydraulic systems incorporate cross-sensing technology and regeneration circuits that enhance efficiency while reducing cycle times. Low vibration and sound design derived from the 3066 T engine minimize operator fatigue. Standard shipping dimensions of 33 feet length, 9.9 feet height, and 9.8 feet width facilitate transportability.