LIEBHERR R904C CRAWLER EXCAVATORS

Technical Description

The Liebherr R904C is a high-performance crawler excavator engineered for versatility and efficiency in demanding construction environments. This model features a robust D 924 Tl-E engine with direct injection, turbo-charging, and after-cooling for reduced emissions, delivering reliable power at 2000 rpm. With a range of boom and stick configurations, the R904C offers maximum cutting heights from 29.7 ft up to 36.1 ft, digging depths from 17.8 ft to 26 ft, loading heights from 19.9 ft to 26.1 ft, and ground reach from 27.4 ft to 36.6 ft, accommodating a wide variety of excavation tasks. The standard shipping dimensions are approximately 29.6 ft in length and 10.2 ft in height, with a width to the outside of tracks at 9.1 ft and a tail swing radius of 8.2 ft, ensuring compact maneuverability. The excavator is equipped with a hydraulic system capable of 87.2 gpm flow and 87.2 gallons of fluid capacity, supporting powerful attachments and smooth operation. The undercarriage provides a drawbar pull of 52,605.3 lbs and a maximum travel speed of 3.3 mph (5 kph), with 7 carrier rollers and 2 track rollers per side for durability. Bucket capacities range from 0.4 to 1.1 cu yd, with a reference capacity of 1 cu yd. The machine also features a 24-volt electrical system, 55-amp alternator, and 89.9-gallon fuel tank for extended operation. With a ground clearance of 1.6 ft and a track-on-ground length of 11.1 ft, the R904C excels in stability and mobility across challenging terrains.