6LY3-STC
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Catalog excerpts

Yanmar type 6LY3-STC Tier 2 Commercial / Certification Configuration 24 valve, 4-stroke, vertical, water cooled diesel engine Maximum output at crankshaft * 316 kW (430 mhp) / 3300 rpm Continuous rating output at crankshaft 295 kW (400 mhp) / 3198 rpm Displacement 5.813 L (354 cu in) Bore x stroke 106 mm x 110 mm (4.17 in x 4.33 in) Cylinders 6 in line, 24 Valve Combustion system Direct injection Aspiration Turbocharged with seawater cooled intercooler Starting system Electrical starting 12V - 3kW Alternator 12V - 80A Cooling system Fresh water cooling by centrifugal fresh water pump and rubber impeller seawater pump Lubrication system Enclosed, forced lubricating system Direction of rotation (crankshaft) Counter clockwise viewed from flywheel side Dry weight without gear 640 kg (1411 lbs) Environmental EU RCD, US EPA Tier2 (commercial), EMC & EPA/IMO Engine mounting Rubber type flexible mounts NOTE: Fuel condition: Density at 15°C (59 F) = 0.84 g/cm 3; 1kW = 1.3596 mhp = 1.3410 HP * Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665) Technical data is according to ISO 8665 Dimensions (For detailed line-drawings, please refer to our web-site: www.yanmarmarine.com or contact your supplier) Front view Right side view FUEL OUTLET U - type elbow (optional) LUB. OIL FILTERS 801.3 mm (31.5 in) FUEL FILTER 538.6 mm (21.2 in) 254.8 mm (10 in) 8º 843 mm (33.2 in) 793.4 mm (31.2 in) 420.3 mm (16.5 in) MIN. 83 mm (3.3 in) MAX. 103 mm (4 in) 39 mm (1.5 in) 381 mm (15 in) 122 mm (4.8 in) 950 mm (37.4 in) 786 mm (30.9 in) 1071 mm (42.2 in) 1458.3 mm (57,4 in) 256.5 mm (10.1 in) 285 (11.2 in) FUEL INLET 266.6 mm (10.5 in) 6LY3-STC with Yanmar KMH61A marine gear

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Performance Curves (Output is according ISO 8665) Torque 200 Maximum output at prop shaft 150 250 200 150 100 100 Propeller power curve 50 50 0 0 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 80 1200 20 800 1000 600 800 600 400 400 200 200 60 15 50 40 10 30 20 5 10 0 1500 0 1700 1900 2100 2300 2500 2700 2900 3100 3300 0 0 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 -1 -1 Crankshaft Speed min Crankshaft Speed min Marine gear (example) 70 Fuel Consumption gal/hr 300 0 Fuel Consumption L/hr 350 1000 Crankshaft Torque lb-ft 400 250 Fuel Consumption 90 1400 Crankshaft Torque Nm 450...

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