At Navitech Diesel, we deliver a complete range of marine engine and technical services designed to keep your vessels operating safely, efficiently, and in full compliance with international standards.
Our expertise covers everything from diesel engine overhauls and turbocharger repairs to hydraulic, automation, and safety system maintenance — all performed by skilled marine engineers with years of hands-on experience.
With a strong global supply network and in-depth technical knowledge, we provide fast, reliable, and cost-effective solutions that minimize downtime and extend equipment life.
Whether it’s a main engine overhaul, a calibration service, or an automation upgrade, Navitech Diesel is your trusted partner for precision, reliability, and performance at sea.

We provide complete overhaul and maintenance services for main and auxiliary diesel engines. Each engine is inspected, dismantled, and reconditioned according to OEM specifications. Our team restores performance, reliability, and efficiency using genuine or approved replacement parts. Every job is completed with full testing and documentation to ensure class compliance.

We specialize in the repair, calibration, and overhaul of marine fuel pumps, injectors, and governors. All components are tested on certified benches to guarantee precise fuel delivery and accurate timing. Our process enhances engine combustion, fuel economy, and performance stability. We handle both mechanical and electronic control systems for all major engine brands.

Our technicians perform professional cleaning, inspection, balancing, and repair of marine turbochargers. We replace bearings, seals, and blades to restore full efficiency. All turbochargers are tested to ensure proper air pressure and load performance. Regular servicing reduces downtime and improves fuel economy across your fleet.

Navitech Diesel provides professional inspection, troubleshooting, and condition assessment for marine boilers. We evaluate system integrity, pressure control, and combustion efficiency. Our services include repair, maintenance, and certification according to class requirements. Detailed reporting ensures your boiler operates safely and efficiently.

We service, clean, and test oily water separators to maintain IMO-compliant operation. Proper maintenance ensures clean discharge and prevents costly environmental penalties. Our engineers perform full system checks, including sensors, valves, and control panels. We help you achieve reliable, safe, and efficient waste management onboard.

We repair and maintain deck machinery, hydraulic, and pneumatic systems including cranes, winches, and steering gear. Our technicians replace seals, hoses, and pumps to restore full operational safety. Every system is tested under working pressure to ensure smooth performance. We deliver dependable service for continuous deck operation..

We provide maintenance and testing of pressure/vacuum valves, cargo pumps, and control valves. All units are inspected, reseated, and calibrated to prevent leakage and ensure safe operation. Our work ensures compliance with international safety and cargo regulations. Reliable valve performance means safer voyages and smoother loading operations.

We provide maintenance, gas charging, and repair for HVAC and refrigeration units onboard. Our team ensures optimal air circulation and cooling performance in all climates. We handle compressor overhauls, duct cleaning, and refrigerant leak detection. Comfort and efficiency are restored with every service.

Our skilled technicians perform fabrication, welding, and modification of marine steel and piping systems. We handle repair jobs in confined spaces and under class-approved procedures. Each joint and weld is tested for durability and pressure integrity. High-quality workmanship ensures long-term structural safety onboard.

Navitech Diesel offers calibration, inspection, and maintenance for tank gauging, overfill protection, and gas detection systems. Accurate readings are vital for safe cargo operations. We test sensors, alarms, and transmitters to ensure reliability. Every system is tuned for precision and compliance with marine safety standards.

We maintain and test marine fire alarm systems and Oil Discharge Monitoring Equipment (ODME). Proper functionality ensures early hazard detection and environmental compliance. Our technicians verify sensors, control panels, and output accuracy. With Navitech Diesel, your vessel remains inspection-ready and fully compliant.

We provide calibration and certification of temperature, pressure, and flow instruments. All measurements are traceable to international standards. Our process ensures accurate readings, reliable data, and compliance with class requirements. Certification reports are issued for audit and inspection documentation.

Our technicians perform switchboard, alternator, and generator inspections, as well as cable repairs and system upgrades to ensure safe and efficient power distribution.
We carry out insulation testing, load balancing, and circuit protection checks in full compliance with class and safety standards.

We service and test marine navigation systems including radar, gyro, GPS, and echo sounders. Each device is calibrated for accuracy and operational safety. Our engineers ensure compliance with IMO and SOLAS standards. Reliable navigation systems mean safer and more efficient voyages.

Inspection, maintenance, and certification of Life-Saving Appliances (LSA) and Fire-Fighting Appliances (FFA). Our engineers ensure full compliance with SOLAS and flag state requirements. Regular servicing keeps safety equipment ready for immediate use. We help you maintain a safe working environment onboard.