Ship cranes kept lifting.
Deck crane repair, hydraulic overhaul, electrical troubleshooting, load testing and spare parts for Mitsubishi, Liebherr, MacGregor, TTS, Palfinger Marine and other crane makes. Onboard attendance at ports and shipyards worldwide.
We Inspect. Engineer. Execute.
Founded in 2023 by Naval Architect and Marine Engineer Eray Acar, CranesTech is an independent marine engineering and technical service company specializing in marine cranes, hydraulic systems and deck machinery.
Our journey began in Tuzla, Istanbul, with our first marine service projects. Through successfully completed operations, technical upgrades, troubleshooting assignments and hydraulic equipment services, CranesTech gradually evolved into an international marine crane service provider.
Wherever the ship calls, we attend onboard.
Our engineers travel from our base in Tuzla, Istanbul to vessels in port, at shipyards and at anchor, on every route your fleet sails.
- Base
- Tuzla, Istanbul, Türkiye
- Attendance
- Ports, shipyards and anchorages
- Service area
- Worldwide
- Türkiye
- Europe
- Asia
- Africa
- North America
- South America
- Oceania
- Greece
- China
- Singapore
- Japan
- South Korea
- Norway
- Netherlands
- USA
- UAE
- India
- Brazil
- Germany
- Egypt
- Panama
- South Africa
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Mediterranean Sea
Twelve service lines for cranes, deck machinery and shipboard equipment.
From a stuck slewing motor to a five-yearly load test, the same team diagnoses, repairs, supplies the parts and writes the report.
Marine Crane ServicesDeck cranes
Deck crane maintenance, repair, overhaul, load testing and modernisation on board or in our workshop.Deck Crane Maintenance / Repair · Crane Inspection / Troubleshooting · Crane Overhauling
02Hydraulic Systems / EngineeringHydraulics
Pump, motor, cylinder and valve overhaul, power pack maintenance, hose manufacturing and system troubleshooting.Hydraulic Motor Overhauling · Hydraulic Pump Repair · Hydraulic Cylinder Overhauling
03Mechanical ServicesMechanical
Gearbox and winch overhaul, bearing and brake work, couplings, shafts and steel structure repair.Gearbox Overhauling · Winch Repair / Maintenance · Bearing Replacement
04Electrical / AutomationElectrical
Crane electrical troubleshooting, PLC and control panel work, joysticks, sensors, limit switches and remote controls.Crane Electrical Troubleshooting · PLC Systems · Control Panel Maintenance
05Winch / Deck Machinery ServicesDeck machinery
Mooring and towing winches, anchor windlasses, hose handling, provision, engine room and offshore cranes, davits.Mooring Winch · Towing Winch · Anchor Windlass
06Spare Parts / Equipment SupplySpare parts
Marine crane spare parts, hydraulic motors and pumps, valves, electrical components, joysticks, wire ropes, seals and overhaul kits.Marine Crane Spare Parts · Hydraulic Motors / Pumps · Valves / Hydraulic Components
07Inspection / Technical SupportInspection
Technical inspection, condition assessment, fault diagnosis, preventive maintenance, consultancy, onboard attendance, commissioning and reports.Technical Inspection · Condition Assessment · Fault Diagnosis
08Gearbox ReplacementGearbox
Hoist, luffing and slewing gearboxes removed and replaced on board: rigging, drum removal, alignment, oil fill and load test.Fault Assessment · Replacement Unit Sourcing · Rigging / Lifting on Board
09Slewing Bearing / Rocking TestSlewing
Rocking tests to measure slewing bearing wear, and slewing bearing replacement on deck cranes: readings, removal, preparation, fitting and report.Rocking Test · Trend Comparison · Bolt and Grease Check
10Ro-Ro Ramp ServicesRo-Ro ramps
Ro-Ro ramp hydraulics, cylinders, hinges, drive units and steel structure: inspection, repair, removal and refit at the shipyard or alongside.Ramp Inspection · Hydraulic Circuit Repair · Cylinder Overhaul
11Steering Gear ServicesSteering gear
Steering gear pumps, control valves, spools, rams and seals: fault diagnosis, overhaul and function testing in the steering gear room.Fault Diagnosis · Pump Unit Overhaul · Control Valve and Spool Service
12Component ManufacturingManufacturing
Control 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.Control Blocks · Sheaves · Rollers
From the crane house to the shipyard apron.
A few recent jobs, photographed by our own team.
A deck crane is four systems. We bring all four.
A hoist that drops can be a brake valve, a worn motor, a glazed lining or a limit switch. Our departments attend together, so the cause is found on the first visit.
- 01
Hydraulic
Pumps, motors, valves, cylinders, power packs, hoses and system diagnosis.
- 02
Mechanical
Gearboxes, winches, bearings, brakes, couplings, shafts and structure.
- 03
Electrical
Panels, motors, wiring, sensors, limit switches and cabin controls.
- 04
Automation
PLC systems, remote controls, load moment indication and control upgrades.
Thirteen crane makes, serviced with their drawings in hand.
Electro-hydraulic deck cranes, knuckle boom cranes and offshore cranes from European and Japanese makers, plus Hägglunds-driven winches.
Mitsubishi
Liebherr
MacGregor
TTS Marine
Palfinger Marine
Kongsberg Maritime
Sormec
IHI
Kawasaki- Hägglunds
- NMF
- Fukushima
- TSUJI
Spare parts and hydraulic equipment by family.
Pumps, motors, valves, cylinders, filters, hoses, electrical components and wire ropes, listed so your superintendent can find the part by type code.
Hydraulic Pumps
Axial piston, gear and vane pumps for deck cranes, winches and power packs, open and closed circuit.
View the list
Hydraulic Motors
Radial and axial piston motors, orbital motors and winch drives for hoisting, luffing and slewing.
View the list
Hydraulic Valves
Directional, proportional, counterbalance, relief, brake and cartridge valves, manifolds, solenoids and coils.
View the list
Hydraulic Cylinders
Luffing, boom, knuckle and slewing cylinders: new, overhauled or manufactured to sample, with seal kits and rods.
View the list
Power Packs, Filters / Accumulators
Hydraulic power units, oil coolers, filters and elements, accumulators, gauges and hydraulic oil.
View the list
Hoses, Fittings / Seals
Hydraulic hoses made to specification, fittings and adaptors, quick couplings, seals and overhaul kits.
View the listFrom the first message to the test report.
- 01
Report the fault
Send the crane make and model, the fault as the crew sees it, photos or a short video, and where the vessel will be.
- 02
Attendance and diagnosis
Our engineers board with the drawings, test equipment and the parts the fault points to. Hydraulic, mechanical and electrical checks are done on the same visit.
- 03
Repair, overhaul, supply
Repair on board where possible; pumps, motors and gearboxes go to the workshop when they must. Parts are sourced original or as tested alternatives.
- 04
Test and report
Function and load tests with a calibrated load cell, limit switches set, and a service report with measurements and photographs for the vessel file.
Owners, managers, terminals and shipyards.
The companies whose vessels and equipment our team has worked on.
Asyaport
Medlog
Grimaldi- UMMS
- Epic Gas
Maryam Ship Management
Capramar
Synergy Marine Group
V.Group
MSC
Maersk
Tersan Shipyard
Özata Shipyard
EOS Group
Dentaş- Armadör Denizcilik
Company names are listed to indicate vessels and organisations our team has worked for. Trademarks belong to their owners.
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.