Repair cases
Real examples of our engineering expertise in action.
Each case reflects our commitment to precision quality, and reliable results.
Caterpillar C18 Auxiliary Engine — In-Situ Overhaul
Caribbean Sea
October 2025
In-situ overhaul completed at sea
within ~10 days under high engine
room temperatures.
- Full engine overhaul performed during vessel passage (~71,000 Rh).
- Crankshaft polished, bearings replaced; pistons, liners, cylinder head and turbocharger cartridge renewed; cooling and fuel systems serviced.
MAN D2842 LE301 Rebuild After Coolant Ingress
Lisbon, Portugal
June 2025
Complex diagnostics, jobs completed in 8 days
- Full rebuild; timing reset; block restoration; new intercooler & turbochargers.
- Alignment/tolerances verified; pressure tests passed.
MAN STX 8L28/32A Main Engine Overhaul
BLRT Shipyard, Tallinn
April – May 2025
Complex restoration, Schedule compliance
- Heads rebuilt (valves, guides, seats); pistons replaced; liners honed.
- Turbo dynamically balanced; performance to factory spec.
MAN D2876 LE301 Full Overhaul
Tallinn, Estonia
April – May 2025
Reliability restored with full documentation
- Replaced: crankshaft, turbo, oil & coolant pumps, injection pump, heat exchanger, nozzle holders.
- Reconditioned: block via laser cladding; intercooler, exhaust manifold, oil cooler.
MAN D2876 LE301 Rebuild After Conrod Failure
Tallinn, Estonia
April 2025
OEM-compliant execution with MAN & Lindenberg
- Long-block replaced; cooling & oil systems renewed; BV-certified spares.
- Intercooler, exhaust manifold, oil cooler restored & tested.
MAN D2876 LE301 Cylinder Cover Repair & Inspection
Rotterdam, Netherlands
January 2025
Fast in-port turnaround,
jobs completed in 6 days
- Coolant leaks on covers #3 & #4 eliminated; valves & bushings renewed.
- Injectors #3 & #5 replaced; hydro test.
CAT 3412 Auxiliary Engine — Voyage Overhaul
North-West Norway
October 2025
Complete OEM-spec overhaul executed while vessel remained fully operational.
- Engine dismantled, inspected and rebuilt onboard during vessel passage.
- Crankshaft dimensional control & polishing; pistons, liners, bearings, injectors and turbocharger cartridge replaced.
Volvo Penta D16C — Triple Auxiliary Engine Overhaul
Caribbean Sea
November 2025
Multi-engine recovery campaign
completed within 14 days, including
OEM-compliant commissioning.
- Three auxiliary engines dismantled and inspected after lubrication contamination and mechanical failures.
- AE2 rebuilt with new crankshaft; pistons, liners, bearings and camshaft components renewed; AE3 crankshaft seal replaced.
MAN B&W 7MS42MC — Main Engine Partial Overhaul & Recovery
Workshop / Onboard Tallinn
February 2026
Complex multi-cylinder recovery
with structural repairs and full
system reinstatement, completed
with successful load testing and
no remarks.
- Cylinders 4–7 dismantled and inspected; liners #4, 5, 7 and pistons replaced due to wear limits exceeded.
- Cylinder heads restored via laser cladding and machining; cooling jackets repaired and partially renewed.
- Exhaust valves overhauled: guides, seats, spindles replaced; fuel valves serviced and recalibrated.