Main Engine 4-Stroke · Main Engines (4-Stroke)
This is a marine propulsion engine. It is an MTU 12V 2000 M96, part of the Series 2000 family of engines. It is a 4-stroke engine with a bore of 130 mm and a stroke of 150 mm, resulting in a displacement of 23.88 liters for the 12-cylinder configuration. This engine delivers a maximum continuous rating (MCR) of 1080 kW at 2100 rpm. The MTU 12V 2000 M96 is designed to operate on both Marine Diesel Oil (MDO) and Marine Gas Oil (MGO) and meets IMO Tier II emission standards. Notable features include a high power-to-weight ratio, common rail injection, and the MTU Blue Vision monitoring system. Its applications include naval patrol craft and fast yachts.
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| Oil and filter change | typically every 250-500 running hours depending on duty cycle, per MTU's schedule for this series |
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| Charge air cooler cleaning | every 1,000-2,000 hours or on condition, more often in fouling-prone coastal service |
| Injector inspection/exchange | typically 6,000-8,000 hours for this common-rail series - confirm against MTU's model-specific maintenance schedule |
| Major (top-end) overhaul | typically in the 12,000-16,000 hour range for commercial service, varying with load factor |
| Torsional vibration damper inspection/renewal | per MTU's fixed calendar or running-hour interval, whichever comes first - this is a safety-relevant item, check the maker's schedule rather than assume |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Cylinder exhaust gas temperature spread | a deviation of more than roughly 50 C between cylinders typically points to injector or valve trouble, as general medium/high-speed diesel practice - use as a screening threshold, not a manufacturer-published figure |
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| Charge air cooler pressure drop | an increase of more than about 20-30% over the as-commissioned baseline typically indicates fouling needing cleaning |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Falls under standard periodic survey requirements for high-speed propulsion/auxiliary diesels. Class will typically check overspeed trip testing, crankcase safety device function, and IMO Tier II compliance documentation (EIAPP certificate / Technical File) at survey.
Estimated lifetime: Series 2000 high-speed diesels of this type are typically rated for a major overhaul in the 12,000-16,000 hour range in commercial/workboat duty, with total service life extending well beyond that through successive overhauls. Load factor matters more than calendar age for this engine class.
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