Liebherr re-enters rough-terrain cranes, eyeing ME

Liebherr has unveiled two new models of rough-terrain cranes, its first since exiting the segment two decades ago, targeting US and Middle East markets

Liebherr's rough-terrain cranes, its first in two decades, will be equipped with LICCON, VarioBase and Cummins engines.
Liebherr's rough-terrain cranes, its first in two decades, will be equipped with LICCON, VarioBase and Cummins engines.

Liebherr is re-entering the rough-terrain cranes, after a two-decade break from the segment, with two models: the 90t LRT 1090-2.1 and 100t LRT 1100-2.1 — set for launch at Conexpo 2017 in Las Vegas.

A market leader in all-terrain and crawler cranes, Liebherr’s ‘LTL’ range of rough-terrain cranes was previously introduced through the 1980s to mid-90s — with lifting capacities of between of 25t and 80t.

Liebherr was prompted to turn its attention once again to the development of rough-terrain cranes in response to customer demand for product in the segment. The end result of that development process was the 90t and 100t class models.

Christoph Kleiner, MD of sales for Liebherr-Werk Ehingen, the OEM’s crane division, highlighted both North America and the Middle East as the regional markets where the manufacturer sees the most potential for its new ‘LRT’ cranes.

During the development process for the new line of rough-terrain cranes, the priorities for Liebherr were safety and ease of operation.

Both models have Liebherr’s LICCON control system, which monitors the outrigger positions, ballast and the positioning of the double folding jib, together with an integrated load moment limiter.

The company’s VarioBase system then allows the individual outrigger beams to be extended to any length for enclosed work sites. LICCON calculates the maximum load for each situation and prevents accidents by human error during assembly and when hoisting loads.

Both models will be powered by Cummins diesel engines with curb weights below 40t without ballast, 29.5 R25 off-road tyres and all-wheel and crab steering for easy handling in constricted conditions.

The crane chassis and turntable of the two newly designed LRT cranes are almost identical, but the models differ in the boom length, telescoping technology.

The 100t LRT 1100-2.1, with 14t of ballast, has a 50m telescopic boom and “Telematik” telescoping system, which extends the various telescoping sections with a single cylinder while the driver controls and monitors the process on the LICCON monitor in the crane cab.

The 90t LRT 1090-2.1, with 12t of ballast, has a 47m telescopic boom. It is erected by a two-stage hydraulic cylinder with a rope extension mechanism that deploys the boom in two application-specific modes: strong and long.


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