LIEBHERR R964B CRAWLER EXCAVATOR

Technical Description

The Liebherr R964B hydraulic excavator is a heavy-duty machine designed for versatile excavation and loading tasks. It features multiple boom/stick configurations, with maximum cutting heights ranging from 38.3 ft to 43.5 ft and maximum digging depths between 23.5 ft and 32.4 ft, depending on the option selected. The max reach along the ground extends from 37.8 ft up to 46.8 ft, enabling extensive work area coverage. Transport dimensions vary slightly by configuration, with shipping heights around 12.7–13.3 ft and lengths from 41.4 ft to 45.8 ft. The excavator’s bucket capacities range from 3.1 to 6.9 cubic yards for handling diverse material volumes. Structurally, the R964B has a ground clearance of approximately 2 ft, a width of 12.8 ft across the tracks, and a tail swing radius of about 13.7 ft. The undercarriage includes 19.7-inch track shoes, a track gauge of 10.5 ft, and a track length on the ground of 14.1 ft. The machine operates at a ground pressure of 18.8 psi with a maximum travel speed of 2.7 mph, supported by a drawbar pull of about 118,249 lbs. Powering the excavator is a turbocharged Liebherr D 9406 TI-E engine with a displacement of 786 cubic inches, delivering around 383 hp. It has an 80-amp alternator and operates on a 28-volt electrical system. Hydraulic performance includes a pump flow capacity of 216.7 gallons per minute and a relief valve pressure near 5076 psi, ensuring robust hydraulic power for versatile functions. The swing mechanism achieves speeds up to 5.5 rpm, facilitating smooth rotation for precise operation.