Expert Marine Engineering for Commercial Vessels
Three Decades of Commercial Marine Engineering
At DG Engineering, we pride ourselves on delivering expert marine engineering services tailored to keep commercial vessels operating at their best. With over 30 years of experience serving commercial operators across the South Island, Duane Gearing - a master marine engineer and qualified fitter and turner - leads our team with hands-on expertise and specialist marine knowledge.
Meet Duane Gearing
Over Three Decades of Marine Engineering Excellence
DG Engineering is proudly owned and operated by Duane Gearing. With three decades of experience in the marine industry, Duane has become a trusted partner to South Island commercial marine operators.
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Comprehensive Marine Engineering Solutions
Propulsion System Maintenance
Auxiliary Machinery Upkeep
Fabrication and Repair
Pipework Installation and Repair
Welding and Metal Fabrication
Hydraulic System Servicing
Mechanical Equipment Alignment
Troubleshooting and Diagnostics
Preventative Maintenance
Emergency Repairs
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Proven Expertise
Over 30 years of experience delivering exceptional results in the maritime industry.Tailored Solutions
Customised services that meet the unique needs of your vessel and operation.Optimum Performance
Trusted by commercial operators across the South Island to keep vessels in peak condition.
Our Brands
Testimonials
“DG Engineering has been maintaining our entire fleet of boats since 2008. Our fleet includes a variety of engines such as Scania, Cummins, Gardner, and Yanmar. Duane and his team have consistently proven to be reliable, ensuring that we stay operational. Duane is an honest and dependable professional who always gets the job done. His breadth of knowledge and skills extends beyond diesel mechanics; he is also an all-round problem-solving engineer that can always finds a solution. We fully stand by his work.”
– Douglas Keith, Southern Discoveries Fleet Manager
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“For over 8 years now we have a great working relationship with Duane and his team.They are always there when you need them which is important for a commercial business like ours. I would highly recommend the services from D.G Engineering because they are reliable and their experience is very good.”
– Callum Webber, Mitre Peak Cruises Operations Manager
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