Propeller & rudder repairs · with MarineShaft
Repair, recondition, replace. Shafts and rudders, class approved.
Class-approved repair of propeller equipment and rudder arrangements, in MarineShaft’s workshops in Denmark or on site wherever your vessel is.
1,500 mmmax. shaft diameter straightened
27 mlathe capacity
24/7on-site service
Our principal
The shaft and rudder specialists from Hirtshals, Denmark.
MAST Maritime Services is the exclusive representative of MarineShaft A/S, a class-approved repairer of propeller equipment and rudder arrangements for shipyards, owners, managers and navies worldwide.
From a single bent shaft to a complete rudder arrangement, MarineShaft repairs in its own workshops or on site, then crates and ships the part back. We take your inquiry and follow the job through with you.
Where we work on your ship
From the bow thruster to the rudder.
Everything along the propulsion line and the rudder arrangement, repaired, reconditioned or replaced.
- Bow & stern thrustersReconditioning, machining and new parts
- Reduction gearboxesOverhaul and repair
- Generator shaftsShaft repair and alignment
- Intermediate shafts & couplingsStraightening, new shafts, hydraulic couplings
- Seals, liners & bearingsSeal systems, liners, white-metal bearings
- Propeller shafts, CPP hubs & bladesStraightening, laser cladding, blade repair
- Rudders, stocks & pintlesStock straightening, cones, line boring
- Steering gearsRepair and refit
Along the whole shaft line and rudder line: alignment, run-out measurement, 3D scanning and on-site machining.
Every shaft is measured and crack-tested before and after straightening.
The shaft straightening specialist
When you think it cannot be repaired, think again.
MarineShaft’s cold straightening technique, developed over 50 years ago, repairs even severely bent propeller shafts, intermediate shafts and rudder stocks, often to a better straightness than a new shaft. It is approved as a permanent repair, equivalent to a new part.
1,500 mmmax. diameter, from Ø20 mm, any length
0.05 mmmax. out of line after straightening
4hydraulic straightening presses
- Fast and cost-effective, with a very short repair time
- No new steel, so a far lower CO₂ impact than replacement
- A class certificate issued individually on every repair
Approved by all leading classification societies
- DNV
- Lloyd’s Register
- Bureau Veritas
- ABS
- RINA
- ClassNK
- ISO 9001:2015
Full range of services
One subcontractor, from the workshop to the ship.
Why hire more subcontractors when one can do the job? Workshop repair, on-site work and new parts, as one package.
In the workshop
Workshop repairs
- Cold straightening of shafts and rudder stocks
- Propeller shafts, intermediate shafts and couplings
- CPP hubs, propeller blades and fixed propellers
- Thrusters and azimuth units
- Rudder stocks, pintles, bearings and castings
Class-approved welding
Welding specialists
- TIG, MIG, MAG and submerged arc welding
- Robotic laser cladding, with 1/10 the heat input
- Micro welding of scratches and impact marks
- Cold-process welding on high-carbon steel
- Post-weld heat treatment, in the workshop or on site
On site, 24/7
On-site services
- Shaft and rudder line alignment, run-out measurement
- 3D scanning of components
- Line boring of stern tubes, rudder neck bearings and horns
- Machining of rudder cones and shafts
- Shaft withdrawal, fitting and technical supervision
New parts, short delivery
Manufacturing & logistics
- New propeller shafts, intermediate shafts and rudder stocks
- Couplings, pintles, bushings and liners
- Class-certified steel in stock, of European origin
- ISPM-15 crating, worldwide shipping and customs papers
Also from MarineShaft
- Wärtsilä seals & bearings
- REINTJES gearbox service
- Shaft coating
- Hydraulic work
- Cranes & winches
- RSW, cooling & freezing
- Chemical cleaning of pipes
- Stainless steel work
Capacity for urgent repairs
Three workshops, and always room for an urgent job.
Manual and CNC lathes, boring and milling machines and a large stock of class-approved steel mean a new or repaired part can leave Hirtshals in days, not months.
10,000 m2fully equipped workshop facilities
27 mmaximum lathe length
200 tcrane capacity
24/7field engineers and welders, worldwide
More from our principals
What's next
Bent shaft or damaged rudder?
Send us the details and we will come back quickly with a repair proposal from MarineShaft, in the workshop in Denmark or on site wherever your vessel is.
A repair inquiry goes faster with
- Vessel name, IMO number and class society
- The component, the damage and its cause, with photos
- Drawings or main dimensions
- Where the vessel is and when it is available
