Maritime cranes are lifting machines designed to operate in marine and offshore environments, where saltwater, wind, corrosion and continuous movement create more demanding conditions than those typically found on land.
They are commonly used on ships, offshore platforms, service vessels and marine installations for cargo handling, maintenance work and offshore operations.
Unlike traditional land-based cranes, maritime cranes often work in limited spaces while dealing with vessel motion, dynamic loads and harsh environmental conditions.
Main Types of Maritime Cranes
Here are some of the most common categories:
Offshore cranes: Used on offshore platforms, offshore vessels and marine energy installations, designed for demanding offshore environments.
Ship cranes: Installed directly on ships and marine vessels for cargo handling, onboard logistics and maintenance operations.
Pedestal cranes: Cranes mounted on a vertical column structure, widely used in offshore and marine applications because of their robustness and compact footprint.
Knuckle boom cranes: Articulated cranes designed for compact movement and precise load positioning, especially useful in confined marine working areas.
There is no single universal classification for maritime cranes. In practice, manufacturers and operators commonly group these cranes according to operating environment, installation method and structural configuration.
For this reason, these categories are not always mutually exclusive. A crane may belong to more than one category at the same time depending on its structure, installation or application. For example, a lattice boom crane may also use a pedestal configuration, while a knuckle boom crane can be installed on ships, offshore vessels or marine platforms.
Offshore and Marine Applications
Maritime cranes are used in a wide range of marine and offshore sectors.
In the offshore industry, they are commonly found on oil and gas platforms, offshore wind installations and offshore construction vessels, where they are used for lifting heavy equipment, supporting maintenance operations and handling materials in difficult environmental conditions.
Ship cranes and deck cranes are widely used for cargo handling, onboard logistics and support operations on commercial and service vessels.
Knuckle boom cranes are often preferred for maintenance and service work because their articulated structure allows more compact movement and improved load control in restricted areas.
Large offshore cranes can also be used for heavy lifting operations involving offshore modules, subsea equipment and marine construction projects.
Specialized Offshore Crane Designs
In addition to the most common maritime crane categories, manufacturers also produce specialized offshore crane solutions for specific applications.
Some examples include:
- Lattice boom cranes
- Stiff boom cranes
- Leg encircling cranes
- Offshore mast cranes
These crane designs are generally used in heavy offshore lifting, offshore construction projects, jack-up vessels and large marine installations where high lifting capacity or optimized deck space are required.
Main Maritime Crane Manufacturers
Several international companies are considered important references in the maritime and offshore crane sector. Among the best-known are Liebherr (offshore, ship and deck cranes), MacGregor (marine cargo handling and shipboard equipment), Palfinger Marine (marine and offshore lifting solutions), Huisman (heavy offshore lifting systems), Konecranes (industrial and port lifting equipment), Heila (marine cranes) and Melcal (marine and offshore cranes).
These manufacturers serve different segments of the maritime crane market, from offshore platforms and construction vessels to cargo ships, ports and specialized marine applications.
Mechanical Components and Wear in Maritime Cranes
Components such as bushings, pins, slewing systems and articulated joints are therefore subject to continuous wear and heavy mechanical stress, especially in offshore environments exposed to saltwater and humidity.
For marine and offshore applications, the choice of materials, surface treatments and lubrication systems plays an important role in the long-term reliability of the crane.
Sibo Steel Bushings Catalog
For marine and offshore applications, steel bushings can be used in articulated joints, lifting mechanisms and other mechanical areas subject to wear and heavy loads.
Contact us for quotations, custom projects or more information about our steel bushings. You can also request our technical catalog using the form below.
