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Library› Engine Room› Main Engines (4-Stroke)› Main Engine 4-Stroke› Japan Engine 12aym-wst
Japan Engine

12aym-wst

Main Engine 4-Stroke · Main Engines (4-Stroke)

Class-certified type (DNV register) · technical data sheet not yet verified
Specifications

Technical data.verified

Every value below comes from the manufacturer datasheet or class-society record on file for this model.

Maximum output at crankshaftH: 1030 kW@1900 rpm🔖
Displacement40.76 ltr🔖
Bore x stroke155 mm × 180 mm🔖
Cylinders12 V-type🔖
Combustion systemDirect injection🔖
Starting systemElectric starting motor [DC 24V - 6.5 kW] × 2 or air motor × 2🔖
Flywheel housing sizeSAE #00, 21 inch🔖
Turbocharging systemExhaust gas turbocharger [with air cooler] TD13M🔖
Cooling systemConstant high temperature cooling system🔖
Cooling fresh water capacity211 ltr [jacket]🔖
Lubrication systemWet sump system, forced lubrication by gear pump🔖
Lubricating oil capacityMax.: 170 ltr Min.: 110 ltr [sump tank] [in engine piping line: 25]🔖
Lubricating oil gradeSAE40 or SAE15W-40🔖
Direction of rotation [crankshaft]Counterclockwise, when viewed from the flywheel side🔖
Dry weight without gear4870 kg [without Fresh water cooler]🔖
EnvironmentalIMO Tier II🔖
Fuel consumption [at rated output]H: 211 + 5% gr/kW hr [without marine gear]🔖
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