Telescopic Marine Crane – Telescopic Boom Deck Crane SWL 1–20 t

A telescopic marine crane has a straight boom that extends in sections to reach the load. It suits jobs where the hook has to go far over the side or deep into a hold, with a short stowed length. Marine Crane builds telescopic boom deck cranes in Türkiye for cargo ships, fishing vessels and government vessels.

TELESCOPIC CRANE
3D model of the telescopic marine crane
3D design model
Telescopic crane boom section drawing
Boom sections
Finite element analysis of the telescopic boom
FEA of the boom

Technical specifications

Capacity range SWL 1–20 t
Lifting moment 15–500 t·m
Maximum outreach Up to 35 m
Tilting moment Up to 5,000 kNm
Boom Multi-stage hydraulic telescopic boom
Construction Pedestal, slew ring, hydraulic cylinders, bolts

Features

  • Hydraulic telescope and luffing with proportional control
  • Hook winch with rope-end limit
  • Slew ring with hydraulic drive
  • Load moment limiter
  • Fixed or folding boom rest for sea passage

Capacity range and options

Typical telescopic cranes in our range are 3 t, 5 t, 10 t and 20 t SWL; larger lifting moments are available on request. Outreach and number of boom sections are chosen per vessel.

Typical vessels and applications

  • General cargo ships
  • Fishing vessels
  • Government, coast guard and research vessels
  • Provision and stores handling

Engineering details

Structure

  • Multi-stage telescopic boom with sliding pads
  • Telescope cylinder for the boom sections
  • Slewing ring with hydraulic drive

Hydraulics and control

  • Proportional control of luffing, telescope, slewing and winch
  • Load-holding valves on luffing and telescope cylinders
  • Hook winch with rope-end limit and brake

Safety

  • Load moment limiter
  • Limit switches and emergency stop
  • Boom rest for sea passage

Testing and documentation

  • Static load test with test weights according to the applicable class or national rules (for cranes up to 20 t SWL typically 1.25 × SWL)
  • Functional test of all motions, limits, brakes and the emergency stop
  • Delivered with general arrangement, load chart, hydraulic and electrical diagrams, foundation loads, operation and maintenance manual, spare parts list and test certificates

Frequently asked questions

Telescopic or foldable crane – which is better?

Telescopic cranes give a long straight reach and simple operation; foldable cranes stow more compactly and can reach over obstacles. We advise based on deck space and the job.

What is the maximum outreach?

Up to about 35 m, depending on SWL and configuration.

Related pages

Request a quotation

Send the vessel type, required SWL and outreach. We reply with a preliminary load chart and an offer.

Phone: +90 530 662 66 45
Email: info@marinecrane.com.tr
Address: Pendik / İstanbul, Türkiye

Quotation request form

Fill in the form and our engineers will reply with a preliminary load chart and an offer.

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