
Engine Repair & Overhaul
Technical solutions for planned maintenance, performance recovery, and catastrophic engine casualty. In-situ and workshop capabilities worldwide.
Expert Mechanical Services
Complete lifecycle support for main propulsion and auxiliary engines with 24/7 emergency response.
Main Engine & Auxiliary Engine Overhaul
Fulmar supports the complete mechanical lifecycle of main propulsion and auxiliary generating engines. In-situ and workshop overhaul capabilities for all major engine makes.
Overhaul Capabilities
Cylinder Units
Cold pulling/hot pulling of cylinder heads, liner extraction, honing, micro-finishing, piston crown change-out, ring groove reconditioning
Crankgear
Main bearing and crankpin bearing replacement, crankshaft deflection measurement, web polishing, journal grinding-in-place
Turbochargers
Full strip-down, rotor balancing (high-speed dynamic), nozzle ring replacement, bearing housing cleaning, axial clearance setting
Fuel Injection
Plunger and barrel replacement, exhaust valve actuation system calibration, VIT timing adjustment
Valve Train
Valve spindle grinding, seat grinding, rotocap servicing, valve clearance setting
Crankshaft Replacement & Catastrophic Failure Recovery
Fulmar is one of the few independent service providers actively executing full crankshaft replacement contracts.
- Engine room top-end and bottom-end stripping
- Camshaft and chain drive removal
- Bearing saddle inspection and line-boring verification
- New crankshaft alignment (deflection and bearing clearance)
- Reassembly, timing reset, and sea trial support
Associated Major Repairs
Entablature crack repair
Stop-drilling, metal stitching, NDT verification
Bedplate re-alignment
Chocking compound replacement, wedge adjustment
Thrust bearing replacement
Pad inspection, clearance restoration, white-metal re-pouring
Connecting rod replacement
Straightening, magnaflux inspection, bush replacement
Workshop Reconditioning & Precision Machining
Fulmar operates workshop facilities capable of component restoration to OEM limits or Class-approved repair standards.
White-metal bearings
Centrifugal casting, static pouring, bore machining, timing fit, oil groove cutting
Piston crowns
Inconel insert replacement, crown welding, stress relieving, NDT
Cylinder covers
Seat reconditioning, crack excavation, nickel-iron welding, pressure testing
Exhaust valves
Stellite facing, grinding, hardness testing
Governors
UG8, UG32, PGA/PGB series – hydraulic and electronic calibration
Pumps
FIVA, HPS, fuel pressure plunger – bench testing and flow-rate verification
Dry Dock & Shipyard Project Management
Mechanical supervision and execution coordination during scheduled docking.
- Tail shaft inspection and withdrawal
- Sterntube bearing replacement (oil/water lubricated)
- Rudder carrier bearing renewal
- Bow thruster unit removal and gearbox overhaul
- Sea chest valve grinding and actuator linkage re-fit
- Class survey preparation and attendance
Need Mechanical Support?
24/7 Emergency Mobilization available. Our engineers are ready for deployment worldwide.