
The engineering
behind power at sea.
Superior Hydraulic. Flawless Mechanics. Superior Engineering.
Professional maintenance-repair, overhaul and original equipment distributor for hydraulic, mechanical and electromechanical systems on yachts and superyachts.
Yacht Refit & Repair
Expert service for cranes, windlasses, bow thrusters, steering and hydraulic systems.
Explore Services →Yacht Brands
Turkish distributorship of trusted brands and original spare parts.
Explore Brands →Yacht Refit & Technical Consultancy
Comprehensive refit projects, project management and end-to-end technical consultancy.
Learn More →Our Areas of Expertise
Full-scope maintenance & repair
From yacht pump maintenance to hydraulic servicing, find the care your yacht needs under one roof. Select an image to explore our maintenance and repair services.
Why Demir Marine
Why do seafarers trust us?
From fault diagnosis to warranted delivery; measurement, original parts and transparent reporting in every job.
Superior Hydraulic
Millimetric sealing and pressure calibration in power pack, piston and valve systems.
Perfect Mechanics
Rigorous workmanship in crane, windlass and steering systems, installation with original tolerance values.
Hardstanding engineering
From failure analysis to revision; measurement, reporting and guaranteed delivery in every job.
24/7 Field Support
On-site intervention at the marina and shipyard, uninterrupted technical support throughout the season.
How We Work
A transparent and measurable process
Discovery & Troubleshooting
We come to our boat, examine the system on site, and determine the root cause of the problem with measurements and tests.
Proposal & Planning
We provide a transparent scope of work and quotation, and clarify part procurement and schedule.
Repair & Overhaul
Under workshop or field conditions, we complete the work with original parts and manufacturer tolerances.
Test & Guaranteed Delivery
We test the system under load and deliver it with reports and warranty certificate.
References
Reference Projects
A selection of maintenance, overhaul and system renewal projects we have completed on superyachts and mega yachts. For confidentiality, vessel names and brands are not disclosed — only length and type are shown.
Hydraulic power pack overhaul and passerella repair
Comprehensive overhaul of hydraulic power pack, passerella and platform systems.
Maintenance, repair and commissioning works of bow thruster, rudder and stabilizer systems.
Complete overhaul of deck cranes, anchor windlasses and pump groups.
Maintenance and renewal works of hydraulic pistons, passerella and air conditioning systems.
Bow thruster and steering system maintenance
Complete overhaul of anchor windlass and crane systems
Hydraulic piston renewal and air conditioning system repair
What Our Clients Say
The choice of captains and fleets
In the middle of the season, our steering system failed; Demir Marine team came to the marina on the same day and intervened. The workmanship and speed were impeccable.
They delivered the hydraulic power pack revision with complete reporting within the manufacturer's tolerances. A team we work with confidence.
Our solution partner in the supply of original spare parts and technical consultancy. The support from the distributorship side is invaluable.
Be Ready for the Sea
Let’s launch your vessel with confidence
Get a free assessment and quote from our expert team for your maintenance, repair or original equipment needs.

















