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Expert Marine & Industrial Diesel Engine Services in Harwich
Marine Industrial Diesel Applied Services (M.I.D.A.S) has established itself as a leader in marine and industrial diesel engine repair, service, and overhaul. With over 30 years of hands-on experience, our team comprises former OEM engineers trained by industry giants like MAN Diesel, Wartsila, and Rolls Royce, alongside qualified ex-navy and yachting professionals. We specialise in servicing engines for global clients, including the UK Navy, cruise liners, oil and gas vessels, and power plants. Our expertise extends to modern Paxman VP185 engines, heritage MAN engines, and waste-to-energy generators. We offer 24/7 emergency call-out services to minimise downtime and maximise operational efficiency.

Our expanded workshop facilities enable comprehensive overhauls of cylinder heads, liners, pistons, and fuel injection equipment. We serve fast ferries, cargo vessels, research ships, and superyachts, providing tailored maintenance and repair solutions. Our commitment to cost-effective, reliable service is underpinned by decades of technical excellence and industry knowledge. We pride ourselves on delivering expert guidance and support, whether for routine inspections or complex overhauls. Our global track record includes high-profile projects such as Scottish Ferry refits and superyacht maintenance in Georgia, USA.
Services
Engine Overhaul Generator Maintenance Spare Parts Supply Decoke Services 24/7 Call-Out
Highlights and features
  • We have over 30 years of hands-on experience in marine and industrial diesel engine repair.
  • Our team includes former OEM engineers trained by MAN Diesel, Wartsila, and Rolls Royce.
  • We offer 24/7 emergency call-out services to reduce downtime.
  • We service a global client base, including navies, cruise liners, and power plants.
  • We supply spare parts for most engine makes and models.
Services
Engine Overhaul
We provide complete engine overhauls for marine and industrial diesel engines, including cylinder heads, liners, pistons, and connecting rods. Our team uses precision techniques like valve seat cutting and liner honing to restore performance. With expertise in MAN, Paxman, and heritage engines, we ensure reliability for global clients.
Generator Maintenance
Our generator maintenance services cover inspection, repair, and overhaul for land-based power plants and facilities management companies. We specialise in standby sets like MTU 4000 series, ensuring uninterrupted power supply through scheduled and emergency interventions.
Spare Parts Supply
We supply genuine and sourced spare parts for engines including Deutz, Wartsila, and CAT. Our inventory includes Paxman VP185 cylinder heads and aftercoolers, with support for obsolete parts through global networks and OEM connections.
Decoke Services
We perform decoke services for landfill gas engines to maintain maximum output with minimal downtime. This process removes carbon deposits, enhancing efficiency and extending engine lifespan for waste-to-energy facilities.
24/7 Call-Out
Our 24/7 call-out service addresses urgent engine failures across marine and industrial sectors. We deploy engineers rapidly to locations like Guernsey fishing boats or research vessels, minimising operational disruption and revenue loss.
Questions
What types of engines do you service?
We service marine and industrial diesel engines including MAN, Paxman, Ruston, Mirrlees, Wartsila, Bergen, Deutz, and CAT, covering modern and heritage models.
Do you offer emergency repair services?
Yes, we provide 24/7 emergency call-out services globally to reduce downtime for critical engine failures.
Can you supply spare parts for obsolete engines?
Yes, we source spare parts for obsolete engines like heritage MAN models and can supply items such as Paxman VP185 components.
What geographical areas do you cover?
We operate globally, with recent projects in the UK, Europe, Georgia (USA), and Guernsey, supporting both local and international clients.
Do you handle large-scale refits?
Yes, we undertake major refits, including superyacht engine overhauls and Scottish Ferry upgrades, with expanded workshop facilities to accommodate complex projects.
What qualifications do your engineers hold?
Our engineers are trained by OEMs like MAN Diesel, Wartsila, and Rolls Royce, with backgrounds in ex-navy and yachting sectors, ensuring high-standard technical expertise.