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LR 1250.1 unplugged

Name: LR 1250.1 unplugged Crawler crane
Brand: Liebherr

Crawler crane

The LR 1250.1 unplugged is the world’s first battery-powered crawler crane. It is driven by an electric engine. During operation the crane can be connected to a conventional electric supply or without a cable, therefore “unplugged”. Depending on the application, the battery capacity is designed for up to 8 hours of operation. There are no compromises regarding performance or availability when compared with the diesel version LR 1250.1.

metric

imperial

Max. load capacity - 250 t
250 t
Max. hoist height - 148 m
148 m
Max. radius - 97 m
97 m

Zero Emission

The crane causes no emissions and significantly less noise. Thus, the crane is also suitable for operation in areas sensitive to noise.

Electric engine

The innovative crawler crane has an electric engine.

Unplugged (battery powered)

The battery capacity is sufficient for an operating time of up to 8 hours, depending on the mode of operation and power requirement.

Plugged in

The crane can operate fully when connected to a conventional electric supply, or be recharged within 4.5 hours.

Comfort

This includes a modern air-conditioning system with improved airflow, an optimized field of vision and increased noise protection, as well as an orthopaedic operator’s seat with integrated heating and cooling.

High service availability

A global service network with experienced technicians and fast access to spare parts ensure high machine availability and a long product service life.

Max. load capacity	250 t
at radius	4.10 m
Main boom, lightweight/heavyweight from	20 m
Main boom, lightweight/heavyweight up to	86 m
Max. load torque	1,180 tm
Lattice jib from	20.00 m
Lattice jib up to	95.00 m
Central ballast	36 t
Counterweight at superstructure	82 t
Engine power	255 kW
Driving speed	1.60 km/h

Technical data - LR 1250.1 unplugged crawler crane

Technical data (USA) - LR 1250.1 unplugged crawler crane

Flyer LR 1250.1 unplugged battery-powered crawler crane

Overview LR series crawler cranes

Overview LR series (USA) crawler cranes

Floating unit operation

Floating unit operation (USA)

Solutions for Lifting Operations

Upgrade: Negative angle indication for luffing jibs

Upgrade: Ground pressure indication and monitoring

Customer service for crawler cranes up to 400 tonnes lifting capacity

Crane Planner 2.0 flyer

Field Service

Crane Planner 2.0 flyer (USA)

MyNotifier

Original Liebherr Retrofits

Upgrade: Earth Spike

LiSIM - Training Simulators for Construction Machines

LiDAT – Data transmission and tracking system for crawler cranes and deep foundation machines

Vertical Line Finder and Horizontal Load Path for crawler cranes

Virtual crane operation plan

Confined spatial conditions, as well as special ground conditions, are key factors for the configuration of the device. As a solution, with the "Crane Planner" Liebherr offers software for selecting the optimal crawler crane and the appropriate configuration for the respective use.

Boom up-and-down Assistant

The assistance system “Boom up-and-down Assistant” indicates the approach to the tipping border and automatically stops operation before the operator unintentionally enters an unsafe zone.

Personnel lifting

The crane is approved for personnel lifting. The statutory emergency generator and emergency controls required for personnel lifting are offered by Liebherr as a simple Plug-and-Play solution.

Horizontal load path

This control assistance system increases the comfort in the operation of the crane. Loads can be moved to their intended position more efficiently. Coordination is also simplified for multi-crane lifting.

Vertical Line Finder

The Vertical Line Finder ensures that the boom head is moved exactly vertical over the load to be lifted. This prevents the load swinging and possible contact with obstacles, as well as people. The service life of the crane is also increased with the lower dynamics on the boom.

Radio remote control

With the radio remote control a second person outside the cab can assume all crane movements. Loads can be moved to positions which are not even visible to the operator himself. Safety on the construction site is thus increased considerably.

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Battery powered crawler cranes LR 1160.1 and LR 1250.1 unplugged - jobsite video
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LR 1250.1 unplugged
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Floating Unit Operation
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Unplugged: battery powered crawler cranes - Interview Product Management
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World Premiere 2020
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Gradient Travel Aid
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Ground Pressure Visualization
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Diagnosis screen and remote control
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Animation - Vertical Line Finder and Horizontal Load Path for crawler cranes
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Boom Up-and-Down Aid
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Boom up and down aid
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Self-assembly system for the LR 1250 crawler crane
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LR 1250 lattice boom crawler crane self-disassembly system