LIEBHERR R920 COMPACT LITRONIC CRAWLER EXCAVATOR

Technical Description

The Liebherr R920 Compact Litronic is a compact crawler excavator engineered for versatile construction applications, delivering 150 horsepower through a turbocharged and after-cooled Liebherr D924 A7-04 four-cylinder diesel engine rated at 110 kW (ISO 9249) operating at 1,800 RPM with 682 Nm of torque. This Stage V emissions-compliant machine features an operating weight of approximately 20.55 tons and operates on an undercarriage with track widths of 500-600 mm, providing a maximum travel speed of 3.7 mph with a drawbar pull capacity of 43,163 lbs. The excavator accommodates three boom and stick configurations, offering maximum digging depths ranging from 17.9 to 19 feet, maximum reach along ground from 28.1 to 29.4 feet, and maximum dumping heights between 21.1 and 22.4 feet, with breakout forces up to 22,050 lbs ISO. The multifunction bucket capacity ranges from 0.4 to 1.3 cubic yards, providing flexibility for diverse excavation tasks. Equipped with a 79-gallon hydraulic system operating at 5,076 psi relief pressure and a 10 RPM swing speed, the machine delivers smooth, stepless power distribution through Liebherr swashplate motors with integrated brake valves. The cab features a spacious, air-conditioned environment with a seven-inch color touchscreen, panoramic visibility with rear and right-side cameras, and an airsprung seat with multi-directional suspension. Additional specifications include a 17.5-gallon fuel tank, 3.2-gallon urea tank, and a 24V electrical system with dual 135 Ah batteries, supporting continuous operation in demanding construction environments.