Stern Gear & Propulsion Systems

Precision Marine Engineering

Advanced propulsion system services including laser shaft alignment, precision bearing installation, seal systems, and complete drive train solutions using state-of-the-art equipment and marine engineering expertise.

±0.01mm laser alignment precision
Advanced bearing & seal systems
25mm - 500mm shaft diameter range
Commercial to superyacht applications
Complete propulsion system solutions

Our Propulsion Engineering Capabilities

Advanced shaft alignment technology and comprehensive bearing solutions

Precision Alignment

Laser technology ensuring perfect shaft alignment

Advanced Bearings

Modern composite and traditional bearing systems

Seal Technology

PSS and mechanical seals for leak-free operation

System Integration

Complete propulsion system design and installation

Stern Gear Services

Comprehensive propulsion system services from precision alignment to complete drive system installation

Laser Shaft Alignment

State-of-the-art laser alignment systems for precise propulsion system setup

  • ±0.01mm measurement accuracy
  • Angular tolerance ±0.02mm/100mm
  • Temperature compensation
  • Vibration analysis
  • Load optimization

Bearing Systems & Installation

Complete bearing solutions from traditional white metal to modern composite systems

  • Water lubricated bearings
  • Oil lubricated systems
  • White metal reconditioning
  • Composite bearing installation
  • Stern tube replacements

Shaft Seal Solutions

Advanced sealing systems including PSS, mechanical face seals, and traditional packing

  • PSS shaft seals
  • Mechanical face seals
  • Traditional packing glands
  • Lip seal systems
  • Emergency seal repairs

Technical Specifications

Alignment Capabilities

Measurement Accuracy: ±0.01mm measurement precision
Angular Tolerance: ±0.02mm/100mm shaft length
Bearing Installation: ±0.05mm installation accuracy
Shaft Size Range: 25mm - 500mm diameter range

Vessel Applications

Commercial Trawlers
Superyachts
Naval Vessels
Workboats
Passenger Ferries
Offshore Vessels

System Components

Propulsion Systems

Direct Drive Systems
Geared Transmissions
V-Drive Configurations
Azimuth Thrusters
Pod Drives
Bow Thrusters

Key Components

Propeller Shafts
Stern Tube Bearings
Shaft Seals (PSS, Mechanical)
Coupling Systems
Thrust Bearings
Intermediate Shafts

Recent Propulsion Projects

Case studies showcasing our expertise in stern gear and propulsion system installation across commercial, superyacht and naval applications

65m Commercial Trawler Case Study 1

Commercial Trawler Propulsion Refit

Complete stern gear overhaul including new shaft, bearings, and PSS seal system for 65m commercial trawling vessel with improved fuel efficiency and reduced maintenance.

Project Scope:

  • Laser shaft alignment
  • New stern tube bearing installation
  • PSS shaft seal upgrade
  • Vibration analysis and correction
50m Motor Superyacht Case Study 2

Superyacht Twin Shaft Installation

Precision installation of twin propulsion systems with advanced bearing technology and mechanical face seals for whisper-quiet operation.

Project Scope:

  • Twin shaft precision alignment
  • Advanced composite bearing systems
  • Mechanical face seal installation
  • Sea trial performance testing
Naval Patrol Vessel Case Study 3

Naval Vessel Azimuth Thruster Service

Complete azimuth thruster bearing and seal service including precision alignment and performance optimization for enhanced maneuverability.

Project Scope:

  • Azimuth thruster disassembly
  • Bearing system overhaul
  • Advanced seal replacement
  • System commissioning and testing

Ready to Optimize Your Vessel's Propulsion System?

Contact our propulsion engineering specialists to discuss your stern gear requirements and discover how our precision alignment and bearing expertise can improve your vessel's performance.

Alignment Analysis

Laser shaft alignment consultation

Engineering Proposal

Detailed propulsion system quote

Workshop Visit

See our propulsion facilities