LIEBHERR R918 LITRONIC CRAWLER EXCAVATORS

Technical Description

The Liebherr R918 Litronic is a high-performance crawler excavator engineered for demanding urban construction and landscaping applications. With an operating weight of 44,753.9 lbs, this machine delivers robust stability and versatility across a range of job sites. The R918 is powered by a 120 kW (161 hp) Liebherr D924 A7-04 engine, meeting Tier 4 Final emissions standards, and features a dry-type air cleaner, turbo-charging, and after-cooling for reduced emissions and optimal efficiency. The hydraulic system provides a relief valve pressure of 5076 psi, ensuring powerful and responsive operation. The excavator offers three boom/stick configurations, with maximum digging depths ranging from 18.8 ft to 21.4 ft, maximum reach along the ground up to 362.3 in, and maximum dumping heights from 19.4 ft to 20.2 ft. Breakout forces are consistently strong, with ISO and SAE ratings of 30,349.3 lbs and 26,527.5 lbs, respectively. Bucket digging forces range from 17,085.5 lbs to 21,132.1 lbs (ISO), supporting efficient excavation. The bucket capacity varies from 1.6 to 2 cu yd, with a reference capacity of 0.8 cu yd. The machine is equipped with a 97.5-gallon fuel tank, 92.5-gallon hydraulic system, and a 12.2-gallon urea tank. The undercarriage features a 13.7 ft width, 1.7 ft ground clearance, and a tail swing radius of 5.1 ft. The swing speed reaches 10 rpm, and the maximum travel speed is 3.7 mph. The electrical system includes a 28 V / 140 A alternator and dual 135 Ah / 12 V batteries, with a 24V system voltage. The R918 Litronic combines advanced technology, reliability, and operator comfort for superior productivity in diverse construction environments.