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Effective decision making in the palm of your hand
Profitable crawler dozer operation is much more than just cutting the cost of moving material. That is why, when developing the new Generation 8, we focused our attention on your entire construction site process: From simple transport, through cost-effective operation for both light and heavy applica-tions, with the aid of intelligent assistance systems, right up to service logistics.
You decide how much "power" the Liebherr crawler dozer will give you. If large quantities of material are to be moved, the hydrostatic drive works at constant engine speed to save resources and keep costs down. For light work, you can give priority economy with the Eco mode. And every time, the environment always benefits.
When You have Big Plans: You Need to Hit the Ground Running.
As a driver you demand: Full power on-call at all times – even with varying weather conditions and grades of material. Whether in heavy dozing or in precise levelling: The new Generation 8 keeps you “in the fast lane”.
For productive use, every operating step you make demands the ideal combination of speed and traction. The Liebherr crawler dozer, lets you choose the highest possible speed for your operating conditions and directly call up full thrust at any time via the joystick. Through the Liebherr hydrostatic drive, the machine auto-matically and continuously delivers the correct traction when ripping.
If the ground is loose, simply select a higher speed range. Due to the electronic pilot control, not only can you set the speed of the machine, you can also select the reactiv-ity and speed of the operating hydraulics in the display.
From Workplace to Workspace.
Crawler dozer operators depend fully on all of their senses. Through effective shock absorption, the latest Generation 8 dozer filters out vibrations, but you still have the full feedback to form the perfect level. The reassuring Operator Assistance Systems help you to exceed your demands for productivity and precision. Through the digital display interface you always keep an eye on your objective.
Right from the start, you can feel at home in the spacious driver's cabin and adjust the seat and joysticks to match your own ergonomic needs. Your presence is immediately detect-ed by the seat contact switch, leaving you free to belt up and get started right away. The new 9” touch display gives you access to all key parameters and individual settings for the drive and operating hydraulics. Immediately from start up at the crack of dawn, your Liebherr crawler dozer will draw the attention of workmates on site. The advanced lighting layout illuminates even the outermost corners around the machine.
Safety Without Compromise
The best drivers tackle the most demanding applications, where incorrect operation or a moment’s inattention can have serious consequences. You can set up your dozer to precisely match your working conditions and fully depend on the professional equipment from Liebherr. The high quality engineering concept of Generation 8 extends across the entire life of the machine.
From stability analyses, to visual and operat-ing simulations and vibration behaviour: Our products are put through numerous tests as virtual prototypes, in combination with the full range of digital 3D engineering design tools, and in daily use on construction sites they prove themselves all over the world. Particularly high grade materials are used on the face and cutting edges of Liebherr blade equipment. The perfect solution for every ap-plication is available from the wide selection and varied range of equipment offered.
Precision and speed to the power of 3
Move on up to perfect results.
The new Operator Assistance Systems in the Generation 8 crawler dozers include three levels of driver support: Free Grade for active blade stabilisation during fine grading; Definition Grade for automatic blade positioning when creating simple 2D surfaces, 3D Grade from Topcon as optional GNSS machine control for modelling complex terrain forms. In addition, the option is available to order factory installed ready-kits, which allow a range of machine control systems from Trimble and Leica to be retrofitted in the field.
The Liebherr Silent Design
The advanced Liebherr driver’s cabin, with hydro-elastic bearing mounts, provides effective sound absorption and the lowest levels of acoustic noise.
- Hydro-elastic bearings reduce the transfer of structure-born noise from the base machine into the cabin
- The rigid connection through the pivot points to the base machine for tilting the cabin (for maintenance purposes) is decoupled for operation
- Powertrain components optimised for sound and vibration absorption measures reduce disturbing frequencies for the driver
Low noise emissions are further guaranteed by the combination of the low speed of the Liebherr diesel engine, the demand-controlled hydrostatic fan and the standard drive.
Ensure you stay future-proof
Modelling of simple 2D surfaces can now be performed in no time at all. But, as a driver of a Generation 8 dozer, you are also always ready to tackle complex construction jobs. With the benefit of location sharing, our LiDAT fleet management and configuration with the integrated 3D technology, you will always be in big demand on the construction site. The 3D data required for your new project can be imported and displayed directly via Sitelink 3D.
In the Generation 8 crawler dozer you are ready for the future:
- The Liebherr EVO Generation, high-torque engine with increased nominal power
- For compliance with emission regulations stage V / Tier 4f, an SCR filter is fitted on the Generation 8 dozers
- Highly automated, stepless drive and electronically controlled operating hydraulics
- Advanced machine interface and automated task movements
The right control technology for every application
The new assistance systems in generation 8 crawler dozers include three levels of driver support: Free Grade for active blade stabilisation during fine grading; Definition Grade for automatic blade positioning when creating simple 2D surfaces, 3D Grade from Topcon as optional GNSS machine control for modelling complex terrain forms. In addition, the option is available to order factory installed ready-kits, which allow a range of machine control systems from Trimble and Leica to be retrofitted in the field.
Free Grade
The standard Liebherr Free Grade provides you with active blade stabilisation when grading surfaces, ramps and em-bankments with longitudinal and transverse slopes. Together with the two other assistance modes, Definition Grade and 3D Grade (optional), this system will help you, as an experienced operator, to increase productivity and save time. In addition, you can keep your eye on the job in hand and avoid dangerous driving situations.
Definition Grade
Within level 2 of the new Liebherr Operator Assistance Systems, Definition Grade allows you to model a 2D surface without a rotating laser. All you need is a reference point from your site surveyor.
With the blade automatically lowering to the reference meas-urement, the creation of a precise 2D surface is child's play - even over large distances and in different pushing directions. All without the need for a laser or complex machine controls with satellite connection. And at the same time, Liebherr tech-nology now enables grading speeds that previously could not be achieved.
3D Grade
Topcon's optional roof-mounted 3D solution is already fitted and calibrated ex-works; so you can get started right away. The fully automatic machine control positions the 6-way blade of your dozer exactly in all three dimensions.
Pre-installed kits are available, as an option, for setting up the latest 2D and 3D machine controls from the manufacturers Trimble and Leica on your Liebherr crawler dozer. The Ready Kits give you option to upgrade your crawler dozer at any time in the future.
The history of the development of Liebherr Crawler Dozers
Crawler dozers have been an integral part of the Liebherr construction machinery range for more than 40 years. The hydrostatic drive was taken as a fundamental design concept from the very start. This technology has specific advantages, including high efficiency as well as comfortable, sure-footed and safe operation. The advanced crawler dozers are developed and produced by Liebherr-Werk Telfs GmbH in Austria.
1954: The first hydrostatically driven crawler dozer from Liebherr
This masterpiece was built at our main factory in Kirchdorf an der Iller. A further development is illustrated in an original engineering design drawing preserved from 1956.
1971: Public launch of the first crawler dozer range of 3 models at the Hanover Fair.
Dozers with stepless hydrostatic drive were completely unknown at the time. The product range covered the size range from PR 731 to PR 751.
2003: Introduction of the Generation 4 crawler dozers.
The final breakthrough came with the public launch of Generation 4. Right from the start, our customers were impressed by the excellent efficiency and reliability. The size range was extended to the PR 764, which at that time was the largest hydrostatic dozer in the world.
2014: Introduction of the new Generation 6 crawler dozers.
Liebherr displayed the newly developed PR 736 at Bauma 2013. The focus in development of the Generation 6 crawler dozers was on increased efficiency, lower fuel consumption and reduced CO2 emissions. The new Generation 6 models incorporated a newly developed, electronic drive control with an integrated Eco function and active dynamic power adjustment.
2016: World's first hydrostatic drive crawler dozer in the 70 tonne class
With the introduction of the world’s first hydrostatic drive crawler dozer in the 70 tonne class, our dozers also became established in the mining sector. New standards were set, not just in this segment, but also in particular for fuel economy and driver comfort.
2019: Introduction of the new Generation 8 crawler dozers
For the development of the new Generation 8 crawler dozers, we scrutinised the entire construction site process with our customers and placed the driver at the centre. The results are seen in such innovations as the Liebherr Operator Assistance Systems, the Liebherr Silent Design and the new driver’s cabin with the 9” touch display.
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