Business Details
Emergency
services
Expert Marine Diesel Engine Services in Harwich
Marine Industrial Diesel Applied Services 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 and qualified navy professionals who deliver expert solutions for engines from manufacturers like MAN, Paxman, Ruston, and Wartsila. We specialise in servicing modern Paxman VP185 engines, heritage diesel engines, and waste-to-energy systems, operating 24/7 to minimise downtime for clients globally. Our expertise extends to superyachts, government vessels, power plants, and research ships, supported by expanded workshop facilities. We combine technical excellence with cost-effective service, offering spare parts sourcing, on-site call-outs, and comprehensive maintenance programs.Backed by partnerships with industry leaders like Rolls Royce and CAT, we maintain rigorous quality standards across all projects. Our commitment to innovation ensures clients receive tailored solutions that maximise operational efficiency. As a trusted partner, we prioritise transparency and reliability, serving sectors ranging from oil and gas to utilities. Our track record includes critical repairs for UK Navy vessels and major overhauls for Scottish Ferries, demonstrating our capability to handle complex challenges. With a focus on continuous improvement, we remain one of the UK's few independent specialists capable of servicing legacy and modern engine systems.
Services
Engine Overhaul
Generator Maintenance
Decoke Services
Fuel Injection Overhaul
Cylinder Head Repairs
Spare Parts Supply
Emergency Call-Outs
Power Plant Servicing
Superyacht Maintenance
Heritage Engine Repairs
Highlights and features
- We have over 30 years of hands-on experience in marine and industrial diesel engines.
- Our team includes former OEM engineers trained by MAN Diesel and Rolls Royce.
- We operate 24/7 to provide emergency repairs and minimise customer downtime.
- We specialise in servicing both modern Paxman VP185 and heritage diesel engines.
- Our engineers have worked on projects for the UK Navy and global cruise liners.
Services
Engine Overhaul
Comprehensive engine disassembly, inspection, and reconditioning for marine and industrial diesel units. We restore performance to manufacturer specifications using OEM-grade components. Our engineers handle complete rebuilds from crankshaft to cylinder heads.
Generator Maintenance
Scheduled servicing and emergency repairs for standby and prime power generators. We specialise in MTU 4000 series and similar units used by utilities companies and offshore installations. Services include load testing and component replacement.
Decoke Services
Specialist cleaning of combustion chambers and exhaust systems for landfill gas engines. Our process restores efficiency while minimising downtime. We use precision equipment to remove carbon deposits without damaging components.
Fuel Injection Overhaul
Precision rebuilding of fuel injection systems including pumps and nozzles. We service equipment from CAT, Deutz, and Bergen using calibrated test rigs. This ensures optimal fuel delivery and emissions compliance for marine and land-based engines.
Heritage Engine Repairs
Specialist restoration of legacy diesel engines including Ruston, Mirrlees, and early Paxman models. We maintain original specifications while incorporating modern materials. Our team has unique expertise in MAN English Heritage series units.
Questions
What types of engines do you service?
We work on marine and industrial diesel engines from manufacturers including MAN, Paxman, Ruston, Wartsila, and CAT. This covers both modern units and heritage models.
Do you offer emergency repair services?
Yes, we provide 24/7 emergency call-out services to minimise downtime for critical operations. Our engineers respond rapidly to vessel breakdowns and power plant failures.
Can you source spare parts for older engines?
We supply spare parts for modern Paxman VP185 engines and maintain networks to source components for legacy diesel systems no longer in production.
What experience does your team have?
Our engineers include former OEM specialists from MAN Diesel and Rolls Royce, plus ex-navy personnel with global service experience on vessels ranging from ferries to research ships.
Do you work on superyachts?
Yes, we regularly service superyachts including major overhauls during refit periods. Recent projects include work on luxury yachts in Georgia, USA.
