HYUNDAI ROBEX 220LC-9A CRAWLER EXCAVATOR

Technical Description

The Hyundai ROBEX 220LC-9A is a compact 22-ton tracked excavator engineered for versatile construction and excavation applications. Powered by a turbocharged Cummins QSB6.7 diesel engine, this machine delivers 167 gross horsepower at 1,950 rpm with maximum torque of 540 lbf-ft at 1,500 rpm, meeting EPA Tier 4 interim and EU Stage III-B emission standards. The excavator features an operating weight of approximately 49,273 pounds with multiple boom and arm configurations available, ranging from standard setups with a 5.68-meter boom and 2.0-meter arm to extended reach options extending up to 8.2 meters boom and 6.3-meter arm. The standard bucket capacity measures 0.92 cubic meters with a 600-millimeter track shoe width. The dual variable displacement axial piston pump system produces 60.3 gallons per minute of hydraulic flow, enabling smooth and efficient operation. The hydraulic system capacity totals 72.7 gallons, supporting precise control and power delivery. The undercarriage employs an X-leg type center frame with pentagonal box track configuration, featuring nine track rollers and 49 shoes per side, generating ground pressure of 6.7 psi. Maximum drawbar pull reaches 46,500 pounds with travel speed capability of 3.6 mph. The swing mechanism operates at 10.7 rpm with multi-disc braking for controlled rotation. Advanced features include a Computer Aided Power Optimization system, 7-inch color touchscreen display, three power modes for fuel efficiency, and regeneration systems for enhanced cycle times. The machine accommodates multiple boom configurations to achieve maximum cutting heights between 30 and 41 feet depending on attachment selection.