“On many narrow jobsites, there are obstacles, and supporting an extended base is not possible.
It considered the size, price, boom length, boom system, technical requirements, and safety needs of crane owners in the United States and Canada.
What the manufacturer came up with were two clean-slate-designed rough-terrain cranes.
The total weight of the crane was 121,000 lbs., and it measured 12’8” tall and 10’10” wide.
For the United States and Canada, the transport weight is 88,000 lbs. The outrigger shoes stay within the width of the vehicle and do not need to be removed for transport.
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Twenty years ago, Liebherr-Werk Ehingen made the decision to focus its research and development efforts on the LTM all-terrain and LR crawler crane product lines.
They are preselected by pressing a button, then the joystick is pushed forward and the boom telescopes. Two telescopic modes—strong and long—keep it simple for the operator.
The basic LRT 1100-2.1 has a second winch and rooster sheave as standard for two-hook operation. Also for simplification, a single 13-ton counterweight is located on the turntable.
Regarding the power train, the two models feature a 264-hp Cummins 6.7-liter diesel engine that supplies 730 ft.-lbs. The cranes can be equipped with Tier 4-compliant engines for the U. The powershift transmission from Dana offers six forward speeds and two reverse. The LRT units also feature hydraulically actuated disc brakes, an innovation for mobile cranes.
Large surface 29.5 R25 Yokohama tires are ideal for off-road performance.
The RT cranes are built to one safety standard worldwide, with a load capacity chart that meets ANSI regulations, Europe’s EN 13000, Australian standards, and Russian GOST standards.