Liebherr is developing a new compact wheeled excavator designed to combine high lift capabilities with maneuverability and flexibility.
The company plans to showcase the prototype of the new A 913 Compact Litronic wheeled excavator for the first time at bauma 2019.
The prototype will be displayed with a 2.5-metre-wide undercarriage with outriggers at the back and a dozer blade at the front.
The excavator is equipped with a 4.65-metre-long adjustable boom and a 2.25-metre-long dipper stick with Liebherr’s fully automated quick coupler system LIKUFIX.
Crab mode
The compact excavator is equipped with a flexible undercarriage with four-wheel drive and crab mode. With four-wheel drive, the front and rear axle steering angles are engaged in opposite directions so a small turning radius is needed during rotation.
In crab mode, the front and rear axle steering angles operate in the same way.
As a result, the machine can be moved sideways without the upper carriage turning. The optional mudguards reduce cleaning effort and avoid damage to the upper carriage from airborne dirt.
Some of the biggest challenges for machine operators in urban areas are created by the confined conditions on construction sites.
Thanks to a short tail swing of 1.7 metres, the new A 913 Compact may be used flexibly for classic excavation work, such as uncovering existing elements, shaping banks and compressing material.
Liebherr has also designed the machine without a pivot bearing for the adjustable boom and has secured it closer to the centre of the upper carriage. This results in a reduced front swing radius, which enables flexible use of the machine.
Stage V
With a 129 hp engine, the compact excavator simultaneously achieves high performance levels, long driving distances and high levels of fuel efficiency.
As the engine achieves maximum output at low speeds, the components are protected, which ensures a long service life, according to Liebherr. Furthermore, the Liebherr Power Efficiency (LPE) system ensures optimal efficiency of the drive components, which in turn reduces fuel consumption.
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The A 913 Compact also meets the requirements of Stage V exhaust emission standards through the combination of a diesel oxidation catalyst, a particulate filter and an SCR system.
For improved comfort and operator safety, Liebherr has equipped the A 913 Compact with several standard features in the cab.
The features include a foldable armrest, an intuitive operating environment, an automatic working brake, an automatic axle locking cylinder and the capability to operate the excavator jib without having to change grip.
Safety can be enhanced with Skyview, a 360-degree camera system mounted on the upper carriage.
The A 913 Compact’s large engine hood opens along the entire right side of the machine to provide quick and convenient access to all servicing points, allowing daily maintenance to be carried out from the ground.
Gen 8
At the beginning of the year, Liebherr began production of the generation 8 crawler excavators, and the machines will make their first appearance at bauma.
Generation 8 crawler excavators feature improved higher performance levels, higher productivity, greater security and more convenience for the operator.
The first phase of Gen 8 machines comprises seven new excavator models of between 22 and 45 tonnes.
The R 934, being presented on the Liebherr stand at bauma, has an engine that complies with Stage V emission standards and like all the new generation models boasts a host of improvements.
Weighing about 35 tonnes, the R 934 delivers 272 hp and will be available worldwide with an engine to suit the relevant country’s emission standards.
