Your Trusted Partner in Marine Propulsion

Reliable solutions for CPP, Tunnel & Azimuth Thrusters

Our Core Services

Specialists in propulsion systems — We bring precision, experience, and fast-response service to vessels across Asia.

Our engineering team supports CPP, Tunnel, and Azimuth Thrusters, covering inspection, calibration, overhaul, and sea trials. We work on-site and in workshop environments to reduce your vessel’s downtime.

HRS PROPULSION SDN.BHD.

1. Controllable Pitch Propellers (CPP)

CPP systems are complex — combining mechanical, hydraulic, and control components. We offer full support, from blade disassembly to control system troubleshooting.

Scope of Work

Full disassembly & condition inspection

Hub sealing system and servo piston assessment

Troubleshooting feedback units, display panels & electric actuators

OD box & OMC coupling replacement

Blade removal and dye penetrant testing (DPT)

Calibration of pitch control linkage

Tail shaft bearing and shaft seal renewal

Hydraulic flushing and leak test

2. Tunnel Thrusters

Tunnel thrusters are vital for maneuvering and docking. Our engineers perform comprehensive thruster servicing onboard or in workshop settings.

Scope of Work

Internal gearbox inspection (check gears, pinion & bearings)

Seal replacement using OEM-equivalent kits

Oil leak check & ventilation inspection

Electrical feedback and control calibration

Electrical motor and hydraulic motor testing

Shaft and bearing precision alignment

Reinstallation with alignment test

Propeller blade removal & pitch mechanism servicing

3. Azimuth Thrusters

Azimuth systems offer full 360° thrust — critical for dynamic positioning. We deliver tailored services from dry dock overhaul to onboard commissioning.

Scope of Work

Inspection of clutch system, bearings, gears, seals

Propeller and nozzle cleaning & assessment

Re-alignment and installation with laser tools

Hydraulic flushing and calibration of steering & pitch

Feedback unit testing & tuning

Shaft seal kit replacement

Load test and vibration monitoring after restart

Thrust bearing preload measurement & adjustment

Need support with your propulsion system?

Contact us today for expert assistance.