The Link-Belt 2650 Quantum is a compact hydraulic excavator engineered for versatility and efficiency across diverse construction applications. Powered by an Isuzu 4BG1T turbocharged diesel engine, it delivers 85 horsepower at 2,200 rpm with maximum torque of 212 foot-pounds, providing responsive performance in demanding job conditions. The machine features a 63.5-gallon fuel capacity and operates on a 24-volt electrical system with a 40-amp alternator. Its hydraulic system incorporates two variable displacement axial piston pumps with 64 gpm flow capacity and operates at maximum relief pressure of 4,980 psi, enabling digging forces up to 17,420 pounds with bucket attachment. The Link-Belt Intelligent Quantum (IQ) Control system offers four selectable working modes, auto-idling functionality, and a power-up mode that increases performance by nine percent at the touch of a button. The 2650 Quantum operates at an impressive ground pressure of just 5 psi, minimizing site disturbance while maintaining exceptional stability. With an operating weight of 28,400 pounds and a compact 8.5-foot track width, it achieves maximum reach along ground of up to 28.5 feet and cutting heights exceeding 30 feet depending on boom configuration. The machine accommodates bucket capacities ranging from 0.5 to 0.9 cubic yards, with quick coupler compatibility for allied attachments. Its hydrostatic transmission enables travel speeds up to 3.4 miles per hour with swing speeds reaching 13.4 rpm, combining mobility with precision control. The sealed heavy-duty electrical connectors, self-diagnostic system, and Nephron filtration system enhance reliability and reduce maintenance downtime, making this excavator ideal for foundations, demolition, material handling, and general earthmoving operations.