Mantis Cranes leading UK crane hire company

Saez Tower crane on site for Mantis Cranes


Mantis Cranes offer an extensive range of cranes for hire or sale including Luffing Jib Cranes, Tower Cranes and Self Erecting Tower Cranes. Tower cranes can be seen across all city skylines, but how do these imposing structures work?

The essential parts of a Tower Crane

base for a tower crane

Base Support: Located at the bottom of the tower crane, the base support is attached to a concrete pad on the ground.

How to erect a tower crane

Tower: The vertical element of the crane, gives the crane the required height. The tower supports the cab, counterweights and jib.

Attaching a tower section to a Mantis Cranes Tower Crane

Slewing Unit: Made up of a gear and motor arrangement, the slewing unit allows the crane to rotate.

Mantis Cranes Tower Crane being erected on site

Cab: Where the crane operator sits to control the crane. The cab contains the computer, controls and


Attaching the jib on a Mantis Cranes Tower crane

Jib: The working arm of the tower crane, the jib supports and positions the load being lifted.

Trolley / Hook Block: The trolley moves back and forth along the jib and the hook block acts as a pulley system to allow the hook to move.

How to erect a tower crane

Counter jib and counterweights: These are at the opposite end of the jib to balance the weight of the lift.

Erecting a tower crane for Mantis Cranes

What are the steps involved when erecting a tower crane?

After the crane arrives on site, the tower sections are built to the required height. A mobile crane is used to build the tower.  The mobile crane is also used to lift the jib, counter jib and counterweights into place. The slewing ring/turntable is positioned on top of the tower and finally, the jib, counter jib and counterweights are then added.

Crane Hire UK & Ireland

Mantis Cranes are a leading tower crane hire and self-erecting tower crane hire company operating throughout the UK and Ireland. For information on hiring or buying luffing cranes, tower cranes and self-erecting tower cranes, please visit us at

Share This Article, Choose Your Platform!

continue reading

Related Posts

  • 3.9 min read

    In 1999 when Mantis Cranes introduced the first self erecting crane to the Irish market, the Ma-sol 18 06 had a maximum lifting capacity of 1,500 kg. Fast forward to 2024 and the self erectors in the Mantis Cranes range now lift loads up to 6 T, with tower cranes lifting up to 24 T. Advancements in crane capabilities in response to changing customer requirements have resulted in a very different landscape for the crane hire industry.

  • 2.5 min read

    Adhering to deadlines is crucial on construction sites and crane downtime can lead to a myriad of problems for contractors. Cutting crane downtime is the key to achieving deadlines. Deadlines range from permit & regulatory deadlines, material delivery deadlines, subcontractor deadlines, and budgetary deadlines to the final project completion deadline. Minimising crane downtime is pivotal to the overall success of a construction project.

  • 2.4 min read

    When restoring historic buildings, care must be taken to preserve these buildings for future generations. Cranes play a crucial role in this process and provide the necessary means of material handling, access, precision, and safety required to carry out restorations without causing additional damage. Over the years, Mantis Cranes have been involved in a number of iconic projects in some recognisable places that involved considerable planning not just to put the crane in place but also for the daily management of materials handling.