Technical Description
The Liebherr R924B hydraulic excavator is a versatile crawler excavator designed for heavy-duty earthmoving with multiple boom and stick configurations to suit varied application needs. Its operating weight without attachments is approximately 60,583 lbs, with a powerful 4-cylinder engine displacing 402.8 cubic inches and rated around 129 kW (175 HP) at 2000 rpm, optimized for Tier 4 Final emissions compliance. The excavator features a variable flow double pump hydraulic system delivering 113.1 gallons per minute at relief pressure of 5076 psi, ensuring efficient and precise operation.
Dimensionally, the R924B offers excellent work envelope flexibility with six boom/stick options providing a maximum cutting height ranging from 30.2 ft up to 36.3 ft, maximum digging depths from 19.2 ft to 25.3 ft, and reach along ground extending from 29.9 ft to 35.6 ft. Additionally, specialized material handler configurations provide extended reach and height capabilities, with reach along ground up to 44.3 ft and maximum heights near 46 ft. The bucket capacity ranges from 0.4 to 2.4 cubic yards, with a reference capacity of 1.4 cubic yards, enabling diverse excavation and loading tasks.
The undercarriage consists of a heavy-duty crawler system with track rollers (9 per side), carrier rollers (2 per side), 23.7-inch shoe size, a track gauge of roughly 7.9 ft, and ground clearance of 1.6 ft, contributing to excellent stability and traction. Its swing mechanism runs at 8 rpm with torque up to 54,579 ft-lbs, supporting robust operation. The hydrostatic transmission delivers a max travel speed of 3.3 mph with two forward and two reverse gears. Operating voltage is 24 volts with alternator capacity at 55 amps; fuel capacity is 95.2 gallons.
Shipping dimensions vary slightly by boom/stick configuration, with lengths around 32 to 33.5 ft, and shipping heights near 10 ft, allowing transportability. Overall, the Liebherr R924B combines advanced hydraulics, powerful engine performance, and flexible attachment options for efficient and precise excavation in demanding conditions.
