Liebherr has released its 8th generation wheel loaders for heavy construction projects. The three models, L 526, L 538 and L 546, in the latest Generation 8 have bucket sizes between 2.2 and 3.0 m³ in the standard version and are characterized by an increase in performance compared to the previous generation. The new L 526, for example, has around 20 percent more engine power and over 20 percent higher breakout forces than its predecessor.
The L 538 and L 546 models also feature performance increases including an optimized travel drive, providing increased traction to support acceleration in everyday work and penetrate into all materials.
Lift Arms with Optimized z-bar Kinematics
Liebherr has reinforced the steel construction of the front section of the new wheel loaders to prepare the machines for handling heavy loads. Structural reinforcements on the new lift arms, for example on the lift arms or the cross tube, increase durability. The optimized z-bar kinematics with electro-hydraulic pilot controls has larger hydraulic cylinders and more powerful working pumps.
The combination of these innovations enables faster cycle times and powerful work movements – even with heavy attachments such as high dump buckets or log grapples.
Liebherr Wheel Loaders.
With the increased performance providing a strong basis, Liebherr offers numerous equipment options for the lift arms for industry-specific challenges. High Lift lift arms, for example, are an extended variant of the z-bar kinematics. For wheel loader applications that regularly require different attachments, there is a view-optimized quick coupler and the fully automatic LIKUFIX quick-coupler system. This allows the machine operator to change between mechanical and hydraulic working tools from the cab at the touch of a button.
Operators can activate the parallel guidance of the lift arms at the push of a button and work safely with forks. The new bucket-tilt assist helps when working with sticky materials, such as damp soil or compost and supports loading by shaking out the bucket. In the course of redesigning the lift arms, Liebherr has also revised the bucket design of the new mid-sized wheel loaders.
Optimized Travel Drive and Intelligent Equipment
In addition to the new lift arms, the optimization of the hydrostatic travel drive contributes to the performance of the wheel loaders. The new, more powerful engines are characterized by a higher maximum torque at a lower nominal speed. In this way, performance can be increased with the same low fuel consumption.
Liebherr Wheel Loaders.
More powerful hydraulic components, such as larger travel motors and travel pumps, promote greater traction in all three models. Liebherr has reinforced the axles, as well as travel drive components. Depending on the model, all three wheel loaders have larger front or rear axles than their predecessors.
The wheel loaders feature active personnel detection with brake assistant. This optional assistance system, which is installed at the rear of the wheel loader, warns the machine operator visually on the display and with acoustic signals of dangers in the rear area of the wheel loader. To provide a specific warning of imminent injury to persons, the assistance system independently distinguishes between humans and objects using smart sensors.
As soon as the active personnel detection emits a warning signal, the brake assistant automatically reduces the speed of the wheel loader to a standstill to avoid a potential accident.
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