Main Engine 2-Stroke · Main Engines (2-Stroke)
The WinGD 9X82-B is a high‑power, low‑speed 2‑stroke marine diesel engine delivering up to 46 MW at 79 rpm, noted for its wide power‑speed range and flexible fuel capability.
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| Cylinder liner wear measurement | typically every 8,000-12,000 running hours or per the maker's PMS - confirm against the engine manual |
|---|---|
| Piston overhaul (ring renewal/inspection) | typically every 12,000-24,000 hours depending on fuel and lube oil quality |
| Exhaust valve overhaul | typically every 8,000-16,000 hours |
| Turbocharger overhaul | per maker's schedule, typically every 12,000-24,000 hours |
| Crankshaft deflection check | at each major survey/dry-dock |
| Cylinder liner wear | engines of this class are typically reassessed or renewed in the region of 0.6-1.0% of bore diameter wear - confirm the exact figure against WinGD's maker's manual, as it varies by liner design |
|---|---|
| Crankpin/main bearing clearance | compare against the maker's stated new and maximum allowable clearance for this engine rather than a generic figure |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
WinGD X82 engines fall under Continuous Survey Machinery; class typically reviews crankshaft deflection records, cylinder condition reports, turbocharger overhaul history and IMO Tier compliance documentation at each survey.
Estimated lifetime: Low-speed two-stroke main engines of this class are generally designed for 25+ years and well over 100,000 running hours, with ongoing renewal of liners, rings and bearings rather than whole-engine replacement
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