Global Liebherr Offshore Crane Maintenance Service

Liebherr Offshore Cranes: BOS Series & Conbit's Support

Liebherr's BOS series offshore cranes are among the most trusted lifting solutions in the global oil and gas industry. This page highlights the legacy and engineering excellence of Liebherr's offshore cranes especially the BOS 4200 model and explains how Conbit supports operators in maintaining and upgrading these powerful machines.

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Conbit engineer inspecting a Liebherr BOS crane during offshore maintenance operations.

Liebherr BOS Series: Built for Offshore Excellence

The Board Offshore Crane (BOS) series by Liebherr is a benchmark in offshore lifting technology. With over 1,000 units deployed worldwide, BOS cranes are known for their rope luffing mechanism, A-frame design, and Litronic control system, which ensures precision and safety in demanding marine environments. Among the BOS lineup, the BOS 4200 stands out as a favorite among offshore operators. With a maximum lifting capacity of 125 tonnes, a jib length of up to 72 meters, and a 360° unlimited slewing radius, the BOS 4200 is ideal for supply operations, maintenance tasks, and heavy-duty lifting on oil and gas platforms. Its ergonomic cab, closed hydraulic loops, and modular boom design make it both powerful and adaptable.

Other BOS models include:

BOS 2600 (75 t)

BOS 6000 (150 t)

BOS 7500 (300 t)

BOS 14000 (600 t)

BOS 45000 (1,200 t)

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Conbit's Expertise: Supporting Liebherr BOS Cranes

Although Conbit does not own the intellectual property for Liebherr cranes, our offshore engineering team is highly experienced in supporting BOS models, including the BOS 4200.

We offer:

- Diagnostics and inspections

- Structural assessments and lifting studies

- Reverse engineering for spare parts

- Upgrades and retrofits for drive systems and control units

Our meticulous planning and offshore experience ensure safe, compliant, and cost-effective solutions, keeping Liebherr cranes operational and reliable for years to come