
Liebherr LTM 1120N-3
The Liebherr LTM 1120N-3 is a 120-ton all-terrain crane engineered for heavy-duty lifting with a 56-meter main boom and advanced hydraulic systems. Designed with a compact carrier and robust lifting capabilities, it provides flexibility and strength on challenging job sites.
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Product Description
The Liebherr LTM 1120N-3 is a high-performance all-terrain crane designed to handle demanding lifting operations while maintaining maneuverability across various job site environments. It features a maximum lifting capacity of 120 tons and utilizes a 6-section telescopic main boom that extends from 12.6 meters to 56 meters. For extended reach applications, it supports a folding jib ranging from 11.2 meters to 28 meters, bringing its total potential lifting height up to approximately 81 meters.
This model offers a maximum counterweight of 35 tons and features dual winches—main and auxiliary—each delivering an 8-ton line pull with hoisting speeds ranging from 0 to 110 meters per minute. The winches are driven by an advanced hydraulic system that adjusts power output automatically for smooth and efficient operation under varied loads.
Boom elevation spans from 0 to 83 degrees, with a full elevation achieved in approximately 50 seconds. Slewing is precise, operating at 0 to 1.5 rpm, making it suitable for tight and complex lift situations. The rope diameter used on both the main and auxiliary winches is 21 mm, with standard rope lengths of 275 m and 200 m, respectively.
The crane is powered by a Liebherr D924TI-E water-cooled diesel engine that delivers 163 HP at 1800 rpm and a torque output of 73.4 kg·m at 1200 rpm. The fuel tank capacity is around 300 liters, supporting extended operation hours without refueling interruptions.
Safety and operational control are paramount, with the crane utilizing the LICCON (Liebherr Computed Control) system. This onboard system monitors load, boom length, height, and outrigger reaction forces, displaying the data via a digital interface for precise feedback. Additionally, it includes overload protection, anti-two block devices, drum overwind prevention, and automatic hydraulic shutoff functions for safety assurance during complex operations.
The LTM 1120N-3 is equipped with multiple hook block options ranging from 8 tons (single sheave) to 120 tons (9 sheaves), offering flexible lifting configurations. The crane cab can be tilted up to 20° for better operator visibility when handling tall structures, further enhancing safety and ergonomics.
Designed for versatility, reliability, and performance, the LTM 1120N-3 excels in infrastructure projects, industrial installations, and energy sector operations requiring precise heavy lifting.
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