LTM 1120-4.1 Mobile Crane

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LTM 1120-4.1 – There’s nothing more on 4!

The new LTM 1120-4.1 was first unveiled to the world at the Conexpo 2020 in Las Vegas. To match the city of superlatives, this mobile crane is extremely powerful – in fact it is the most powerful 4-axle crane on the market. The boom is the longest in this crane class and has extremely high lifting capacities when fully raised. This increases flexibility and saves transport costs, as this crane can tackle jobs which would normally require a 5-axle crane together with all the logistics work that involves. For example, the crane is ideal for erecting radio masts or tower cranes and also features time-tested technology in the form of VarioBase® and VarioBallast®.


What's inside

  • Powerful:

    Low gross weight with a high lifting capacity of 135 US t / 120 t.

  • Telescopic boom:

    217 ft / 66 metres long, making it the longest boom in this crane class.

  • Hillstart-Aid:

    For easy starting on hills with no rolling backwards.

  • Variable support:

    VarioBase® support technology makes even higher lifting capacities possible, particularly over the outriggers.

  • Variable axle loads:

    Quick-change ballast system ensures worldwide mobility.

Technical data

Max. load capacity 120 t
at radius 3.00 m
Telescopic boom from 12.30 m
Telescopic boom up to 66.00 m
Lattice jib from 2.90 m
Lattice jib up to 26.00 m
Drive engine/make Liebherr
Drive engine 6-Zylinder-Diesel
Drive engine/power 330 kW
Number of axles 4
Drive/Steering standard 8 x 6 x 8
Driving speed 85.00 km/h
Total ballast 31.00 t



Technical Data - Mobile crane LTM 1120-4.1 [m/t]

PDF (6 MB)




Ballast systems

Counterweight [t]


Boom/jib combinations

Driving conditions

On-road driving

Jobsite driving