Yanmar 6LY3 series - Specifications; Principal Engine Specifications

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SPECIFICATIONS
PRINCIPAL ENGINE SPECIFICATIONS
Engine Model 6LY3-ETP 6LY3-STP 6LY3-UTP
Use Pleasure Use
Type Vertical water-cooled, 4-cycle diesel engine
Aspiration Turbocharger with Aftercooler
Combustion System Direct injection
Number of Cylinders 6
Bore x Stroke 105.9 × 110 mm (4.17 × 4.33 in)
Displacement 5.813 L (6.14 qt)
Continuous Power
Output at Crankshaft
Engine / Speed
(Note 1 and Note 2)
3198 min (rpm)
436 hp Metric 400 hp Metric 345 hp Metric
321 kW 295 kW 254 kW
Fuel Stop Power
Output at Crankshaft
Engine / Speed
(Note 1 and Note 2)
3300 min (rpm)
480 hp Metric 440 hp Metric 380 hp Metric
353 kW 324 kW 279 kW
at fuel inlet temp. 40°C (104°F)
High Idling (Note 3) 3500 ± 25 min (rpm)
Low Idling (Note 3) 700 ± 25 min (rpm)
Installation Flexible mounting
Direction of Rotation Crankshaft Counterclockwise viewed from stern
Cooling System Liquid cooling with heat exchanger
Lubrication System Complete enclosed forced lubrication
Coolant Capacity (Fresh)
Engine: 28 L (30 qt)
Coolant recovery tank: 1.5 L (1.6 qt)
Engine Lubricating Oil
Capacity
Rake Angle 0°
Total (Note 4) 18.8 L (19.9 qt)
Effective (Note 5) 8.0 L (8.5 qt)
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