Diesel Mechanics

Diesel engines are the heart of every vessel and therefore form the backbone of Marine Power Systems Engineering services.

Laser Alignment

Incorrect alignment can lead to excessive vibration, noise and damage to propulsion equipment. Marine Power Systems specialise in laser alignment and propulsion systems installation.

Vessel Repowering

Marine Power Systems are able to offer complete turn-key vessel repowering services including, haul-out, engine and driveline installations, electrical and commissioning. 

Condition Monitoring

Strain gauge torque and power measurements, torsional vibrational measurements and borescopic inspections.

marine servicing – keeping you underway safely

The team at Marine Power Systems are experienced seafarers as well as skilled engineers. Because of this, we understand the harsh operating environment in which equipment needs to perform. We provide comprehensive marine servicing to ensure that your vessel remains safe and reliable throughout the season. 

Our workshop is conveniently located adjacent to the new Kopu Marine Precinct which offers haul out for vessels up to 100 tons plus many other on-site trades such as boatbuilders, stainless fabrication, engineering, machining, painting and hydraulics. 


Throughout the wider region, we offer mobile service to the following locations:

Tairua Marina

Whangamata Marina

Pauanui Waterways

Thames and coast


Diesel Mechanics

Marine diesel engine servicing and repair, from routine servicing right through to complete rebuilds of propulsion and power generation engines. 

Fuel system maintenance, heat exchanger servicing, cylinder head maintenance, electronic diagnostics, dyno testing and overhauls. 

Specialising in large engines and propulsion systems.


Drive line maintenance and alignment

Installation and laser alignment of main engines, gearboxes, stern tubes and strut bearings. Diagnosis of noise and vibration and propeller repairs.

Repair and maintenance for ZF gearboxes, Mercruiser stern drives, sail drives and controllable pitch propeller (CPP) systems.

Shaft straightening, crack testing and propeller balancing.

New Doosan

Vessel Repowering

Engine upgrades and new-build installations. Complete management and execution of the entire process including mechanical, electrical and boatbuilding tasks. 

Marine Power Systems are your one stop shop for all your engine repowering needs


Condition Monitoring

Borescopic inspections, performance analysis, power measurements and torsional vibrational analysis.

Marine Power Systems are specialists in condition monitoring systems, designed to maximise efficiency and reliability of propulsion equipment.