The Link-Belt 2800 Quantum is a versatile mid-size hydraulic excavator powered by a turbocharged Isuzu 6BG1T diesel engine producing 128 horsepower at 1,900 rpm and 342 foot-pounds of torque at 1,600 rpm. This crawler-mounted machine features an operating weight of 45,300 pounds and operates on a 24-volt electrical system with a 40-amp alternator. The excavator offers two boom and stick configurations to suit varying jobsite requirements. The first option delivers a maximum cutting height of 30.4 feet and digging depth of 20.1 feet, while the second provides enhanced reach with 31.1 feet cutting height and 22 feet digging depth. Both configurations accommodate bucket capacities ranging from 0.5 to 1.5 cubic yards, with a reference bucket of 1 cubic yard. Hydraulically, the 2800 Quantum utilizes two variable displacement axial piston pumps with Link-Belt's Intelligent Quantum (IQ) Control system, delivering 104 gallons per minute at 4,980 psi relief pressure. The machine features four selectable working modes, auto-idling, and one-touch deceleration for operational efficiency. The undercarriage design incorporates 31.5-inch shoes with 49 shoes per side and seven rollers, generating ground pressure of just 4.7 psi. Performance capabilities include a maximum travel speed of 3.4 mph with gradeability reaching 70%, and swing speed of 11.9 rpm. Fluid capacities include 81.9 gallons fuel, 52.9 gallons hydraulic system, 6.8 gallons cooling system, and 5.2 gallons engine oil. The compact design achieves ground clearance of 1.6 feet and tail swing radius of 9.1 feet, making it suitable for confined spaces.