Marine Diesel Engine Maintenance & Overhaul Services
✓ All Vessel Types • MAN • Wärtsilä • YanmarQualships Australia provides comprehensive main and auxiliary marine engine maintenance, repair and overhaul services for all vessel types operating in Australian waters.
From routine maintenance to complex overhauls and crankpin inspections, our experienced marine engineers deliver reliable diesel engine solutions with full engineering documentation and vessel attendance across major Australian ports.
We service and maintain all major marine engine manufacturers:
L28/32H, S23/30, medium-speed engines
RT-flex, RTA, 6/7/8-cylinder series
Auxiliary & propulsion systems
Mitsubishi, Daihatsu, and specialist engines
Crankpin wear is a critical issue in marine diesel engines. Qualships specialises in crankpin inspection, measurement and polishing to restore engines to original specifications. We provide detailed inspection reports, photographic documentation, and full commissioning procedures.
Fuel injector performance directly impacts engine efficiency and emissions compliance. We provide comprehensive injector testing, certification and renewal services with full documentation for compliance reporting.
All work includes complete technical documentation including work reports, inspection records, test certificates, commissioning procedures and compliance statements suitable for vessel operators and Class Societies.
Specialist marine engineers with OEM training and experience
Quick response at Sydney, Newcastle, Melbourne and Brisbane ports
Full technical reports, test certificates and compliance statements
MAN, Wärtsilä, Yanmar, and other marine diesel engines
Direct reference to manufacturer specifications and procedures
Minimise downtime with professional maintenance strategies
Routine maintenance intervals typically range from 250 to 2000 operating hours depending on engine type and service conditions. We recommend quarterly inspections and annual overhauls for most vessel types.
Crankpin wear varies by engine type and operating hours. Typically, wear of 1-2mm over 5 years is normal; wear exceeding OEM specifications requires professional polishing or replacement.
Yes. We provide rapid response at major Australian ports including Sydney, Newcastle, Melbourne, Brisbane, Fremantle and others.
Yes. We supervise sea trials following major overhauls and provide commissioning documentation and performance testing reports.
Contact Qualships Australia for professional marine engine maintenance, overhaul and repair services.
Go Back to Services Request Service