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Main Engine Services

(4-Stroke)

Reliable Marine Engine Solutions

Navexa Marine provides professional maintenance, overhaul, troubleshooting, repair and commissioning services for a wide range of 4-stroke marine diesel engines. Our experienced engineers support shipowners, ship managers and operators with reliable onboard and workshop solutions to maximize engine performance, safety and operational efficiency.

From routine maintenance to complete engine overhauls, all work is carried out in accordance with manufacturer recommendations and international marine standards.

Our Services

  • Routine Maintenance

  • Preventive Maintenance

  • Engine Troubleshooting & Diagnostics

  • Complete Engine Overhaul

  • Cylinder Head Overhaul

  • Piston & Connecting Rod Renewal

  • Cylinder Liner Replacement

  • Fuel Injection Equipment Service

  • Crankshaft Inspection

  • Bearing Replacement

  • Engine Alignment

  • Commissioning & Sea Trial Support

  • Performance Testing

  • Genuine, OEM & Reconditioned Spare Parts Supply

Brand Experience

Our engineers have extensive experience servicing and overhauling a wide range of 4-stroke marine diesel engines, including:

  • ABC

  • Akasaka Diesels

  • Beta Marine

  • CAT (Caterpillar)

  • Cummins

  • Daihatsu

  • Hyundai Himsen

  • MAN

  • Mitsubishi

  • MTU

  • Nanni

  • Niigata

  • Nogva

  • Perkins

  • SKL

  • Sulzer

  • Volvo Penta

  • Wärtsilä

  • Yamaha

  • Yanmar

Main Engine Services

(2-Stroke)

Comprehensive Marine Engine Solutions

Navexa Marine provides professional maintenance, overhaul, troubleshooting, repair and commissioning services for 2-stroke low-speed marine diesel engines. Our experienced engineers support shipowners, ship managers and operators with reliable onboard and workshop solutions, ensuring maximum engine efficiency, operational reliability and compliance with international marine standards.

From routine inspections to complete engine overhauls, all work is performed in accordance with manufacturer recommendations and class requirements.

Our Services

  • Routine & Preventive Maintenance

  • Engine Troubleshooting & Diagnostics

  • Complete Engine Overhaul

  • Top Overhaul

  • Crankshaft Inspection & Measurement

  • Crosshead Bearing Renewal

  • Connecting Rod Overhaul

  • Piston Crown Renewal

  • Cylinder Cover Overhaul

  • Cylinder Liner Replacement

  • Fuel Pump & Fuel Injector Service

  • Exhaust Valve Overhaul

  • Turbocharger Integration

  • Engine Alignment

  • Commissioning & Sea Trial Support

  • Performance Optimization

  • Genuine, OEM & Reconditioned Spare Parts Supply

Brand Experience

Our engineers have extensive experience servicing and overhauling a wide range of 2-stroke marine diesel engines, including:

  • Akasaka Diesels

  • Bergen Engines

  • CSSC Marine Power

  • Daihatsu

  • Dong Fang

  • Doosan

  • HHM (Hyundai Heavy Industries)

  • Hitachi Zosen

  • Hyundai

  • IHI

  • J-ENG

  • Kawasaki

  • Luna Ocean

  • MaK

  • MAN Energy Solutions

  • Mitsubishi Heavy Industries

  • Rolls-Royce

  • Schaeffler

  • Seatrack Marine

  • Sinochem

  • STX

  • Sulzer

  • Sumitomo Heavy Industries

  • SXS

  • Wärtsilä

  • Yangzijiang Shipbuilding