Boom crane MK 120-5.1E

truck-mountedmobilelifting

Overview
The MK 120-5.1E is a mobile construction crane delivering crane performance on a 5-axle chassis. It bridges the gap between 4- and 5-axle mobile construction cranes and complements Liebherr's mobile crane range.

What’s inside

• Quickly ready: the crane can be erected in minutes and made operational in a few steps.
• Suitable for urban sites: steep boom positions allow work close to buildings and other obstructions.
• Optimised ballast transport: over 60% of ballast fits within the 12 t axle load limit; optional self-ballasting unit enables independent fitting of additional ballast.
• Fully electric drives: winches and drives are electric for quiet, low-emission, efficient operation.
• Assistance systems: smart assistance supports safe and simple crane operation.

Key product attributes

• Standard: EN 14439
• Ropes/lines: 2
• Max. lifting capacity: 8,000 kg
• Lifting capacity at max. radius: 2,100 kg
• Max. hook height: 70.60 m
• Luffed jib positions: 0 / 15 / 30 / 45 °
• Number of axles: 5

Technology & Efficiency

• ECOmode: reduces fuel consumption and noise of the superstructure; crane control calculates the optimal engine speed for the selected working speed.
• ECOdrive: lowers engine speed for quieter road travel and improved offroad dynamics while optimising fuel use.
• Hillstart-Aid: assists safe move-off on gradients without rolling back.
• HVO ready: option to run on HVO fuel for up to 90% lower CO2 emissions in operation.
• Zero emissions: crane operation can be CO2-free when powered solely by the electric motor.
• Self-ballasting (option): integrated unit for fast, independent ballasting without an auxiliary crane.

Technical data
Lifting capacity at max. radius: 2,100 kg
Max. radius: 52 m
Max. lifting capacity: 8,000 kg
Standard: EN 14439
Lines: 2
Max. hook height: 70.60 m
Luffed jib positions: 0 / 15 / 30 / 45 °
Hoist gear: 24 kW FU
Slewing gear: 7.5 kW FU
Trolley travel gear: 6.0 kW FU
Drive engine: 6-cylinder diesel (Liebherr), 400 kW
Number of axles: 5
Drive unit/Steering: 10 x 6 x 10
Driving speed: 80.00 km/h
Operating weight: 60.00 t
Additional ballast: 3.0 t

Features / Technical specifications

• Model: MK 120-5.1E
• Type: 5-axle mobile construction crane
• Standard: EN 14439
• Max. lifting capacity: 8,000 kg
• Lifting capacity at max. radius: 2,100 kg
• Max. hook height: 70.60 m
• Luffed jib positions: 0 / 15 / 30 / 45 °
• Electric drives and winches for low-noise, low-emission operation
• Drive engine: Liebherr 6-cylinder diesel, 400 kW
• Number of axles: 5
• Drive/steering: 10 x 6 x 10
• Driving speed: 80 km/h
• Operating weight (approx.): 60.00 t
• Additional ballast: 3.0 t (optional self-ballasting)