Engines, gearboxes, running gear and rebuilds
Marine Mechanical & Engineering
SD Marine provides high-end mechanical engineering support for commercial vessels, luxury motor yachts and superyachts. From routine servicing to complex rebuilds and repowers, the team works across critical mechanical systems with a focus on reliability, performance and minimal downtime.
What we cover
Built around the systems that keep vessels moving.
Work is planned around the vessel, its operating requirements and the available window, with considered engineering recommendations rather than generic repair advice.
- 01
Main engine servicing and diagnostics
- 02
Diesel and petrol engine rebuilds
- 03
Brand new engine installations and repowers
- 04
Mechanical repairs and hydraulics
- 05
Gearbox rebuilds and transmission support
- 06
Shafts, props and running gear servicing
- 07
Performance upgrades
- 08
Underwater diagnostics coordination
Related services
One team across critical onboard systems.
Gearboxes & Running Gear
Transmission, shafts, props and drivetrain work delivered with the precision needed to reduce vibration and restore reliability.
- Gearbox rebuilds
- Shafts and props
- Alignment
- Drivetrain servicing
Generators & Electrical
Generator servicing, installations, fault finding and high and low voltage work so onboard power stays safe and dependable.
- Generators
- High and low voltage
- 12V, 24V and 240V
- Fault diagnostics
Air Conditioning
Installation, repairs and servicing for reliable climate control throughout the vessel's living spaces.
- Air conditioning
- Installation
- Servicing
Engage SD Marine
Arrange your next service, inspection, repair or rebuild.
A team accustomed to exceptional vessels, exacting standards and demanding schedules.