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Our work

On deck, in the crane house and on the bench.

Photographs and short videos from CranesTech jobs: slewing bearings, Ro-Ro ramps, steering gears, hydraulics, gearboxes, controls and the parts we make and supply.

Field and workshopPhotos by our team

Ro-Ro ramp raised from the hull of a vessel in a shipyard — Ramp raised

01Slewing bearings

Rocking tests inside the pedestal and bearing work in the workshop.

Technician reading the slewing bearing clearance from inside the crane pedestal — Rocking test01

Technician grinding a slewing bearing with an internal gear — Bearing preparation02

Bearing ring clamped on the table of a vertical lathe — Ring on the lathe03

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02Ro-Ro ramps

Ramp sections lifted at the shipyard, hinges and cylinders repaired.

Ro-Ro ramp lowered ashore seen from the front, with a ship crane above — Ramp lowered01

Technician in a man basket at the hinge of a ship ramp — Hinge inspection02

Ro-Ro ramp section on a shipyard apron with a mobile crane jib behind it — Ramp lift03

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03Steering gear

Pump units, control blocks and spools in the steering gear room.

Ram-type steering gear with rudder angle scale in a steering gear room — Steering gear01

Steering gear pump unit and control block with pipework — Pump unit02

Gloved hands holding a cleaned control spool in a cloth — Control spool03

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04Manufacturing

Control blocks, sheaves and crane heaters made to order.

Steel control block being drilled on a milling machine with coolant — Control block · machining01

Stack of black painted sheaves on a timber crate — Sheave set02

Two CranesTech technicians handling finished crane heaters outdoors — Ready to ship03

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05Hydraulics on board

Valve blocks, cartridges and hoses on working cranes.

Hydraulic control valve block with spring and fittings on a crane — Valve block · on board01

Hand holding a valve cartridge removed from a crane control block — Cartridge removed02

Solenoid connectors and hose lines under a crane control block — Control block lines03

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06Gearboxes and drums

Winch drums lifted out on board and planetary gearboxes in the workshop.

Winch drum with wire and yellow lifting straps set down on a protected deck — Drum on deck01

Yellow multi-stage planetary gearbox on a pallet in the workshop — Planetary gearbox02

Multi-stage planetary gearbox, freshly painted, on the workshop floor — Planetary gearbox03

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07Electrical and controls

Joysticks in the cabin, cabinets and modules on the bench.

CranesTech technician repairing a joystick unit in a crane cabin high above the deck — Cabin · joystick repair01

Open Liebherr crane control cabinet with breakers, relays and controller modules — Liebherr control cabinet02

Liebherr control modules with multi-pin connectors and wiring — Liebherr modules03

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08Spare parts and ropes

Pumps, motors and wire ropes on their way to vessels.

Rexroth pumps and motors laid out beside parts racks — Pumps and motors01

Stacks of steel wire rope reels in a warehouse, some wrapped in blue — Rope stock02

Rexroth A4VG closed-circuit pump with its type plate — Rexroth A4VG03

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Short videos

Two jobs on the bench.

Liebherr module test

A Liebherr control module on the test bench.

Cable reeling machine

A cable reeling machine back together in the workshop.

One team, four disciplines

Services

01Marine Crane ServicesDeck crane maintenance, repair, overhaul, load testing and modernisation on board or in our workshop.Explore 02Hydraulic Systems / EngineeringPump, motor, cylinder and valve overhaul, power pack maintenance, hose manufacturing and system troubleshooting.Explore 03Mechanical ServicesGearbox and winch overhaul, bearing and brake work, couplings, shafts and steel structure repair.Explore 04Electrical / AutomationCrane electrical troubleshooting, PLC and control panel work, joysticks, sensors, limit switches and remote controls.Explore 05Winch / Deck Machinery ServicesMooring and towing winches, anchor windlasses, hose handling, provision, engine room and offshore cranes, davits.Explore 06Spare Parts / Equipment SupplyMarine crane spare parts, hydraulic motors and pumps, valves, electrical components, joysticks, wire ropes, seals and overhaul kits.Explore 07Inspection / Technical SupportTechnical inspection, condition assessment, fault diagnosis, preventive maintenance, consultancy, onboard attendance, commissioning and reports.Explore 08Gearbox ReplacementHoist, luffing and slewing gearboxes removed and replaced on board: rigging, drum removal, alignment, oil fill and load test.Explore 09Slewing Bearing / Rocking TestRocking tests to measure slewing bearing wear, and slewing bearing replacement on deck cranes: readings, removal, preparation, fitting and report.Explore 10Ro-Ro Ramp ServicesRo-Ro ramp hydraulics, cylinders, hinges, drive units and steel structure: inspection, repair, removal and refit at the shipyard or alongside.Explore 11Steering Gear ServicesSteering gear pumps, control valves, spools, rams and seals: fault diagnosis, overhaul and function testing in the steering gear room.Explore 12Component ManufacturingControl blocks, sheaves, rollers and crane heaters made to drawing or from the worn sample, when the original is no longer available or too slow to arrive.Explore

View from a crane boom over cargo hatches and an anchorage at sunset

Crane down? Part needed?

Send the crane make, the fault and the port of call.

Our hydraulic, mechanical and electrical engineers reply with what they need to see, a plan for the attendance and an offer for the parts.

WhatsApp+90 552 377 40 93 Telephone+90 552 377 40 93 E-mailinfo@cranestech.com Online formDescribe the fault or the part Spare partsBrowse the product catalogue