3YM30
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Catalog excerpts

MARINE DIESEL ENGINES 3YM30 Series Configuration 4-stroke, vertical, water cooled diesel engine Maximum output at crankshaft * 21.3 kW (29.1 mhp) / 3600 rpm Continuous rating output at crankshaft 20.1 kW (27.3 mhp) / 3489 rpm Displacement 1.115 L (68 cu in) Bore x stroke 76 mm x 82 mm (2.9 in x 3.2 in) Cylinders 3 Combustion system Indirect injection Aspiration Natural aspiration Starting system Electric starting 12 V - 1.4 kW Alternator 12 V - 80 A Cooling system Fresh water cooling with heat exchanger Lubrication system Enclosed, forced lubricating system Direction of rotation (crankshaft) Counter clockwise viewed from flywheel side Dry weight without gear 123 kg (271 lbs) Environmental EU RCD, BSO II, EPA TIER 3, EMC Engine mounting Rubber type flexible mounting NOTE: Fuel condition: Density at 15°C = 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 / 3046 Dimensions (For detailed line-drawings, please refer to our web-site: www.yanmarmarine.com) Right side view Rear view 545 mm (21.5 in) 462 mm (18.2 in) 247 mm (9.7 in) 215 mm (8.5 in) 115 mm (4.5 in) max. 116 mm (4.6 in) min. 102 mm (4.0 in) Exhaust pipe o 51 mm (2.0 in) 370 mm (14.6 in) 178.5 mm (7.0 in) 355mm (14.0 in) 182 mm (7.2 in) 715.5 mm (28.2 in) 3YM30 with KM2P-1 marine gear www.yanmarmarine.com

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Performance Curves (Output is according ISO 8665) Power Torque 15 8 10 4 5 Propeller power curve 0 1750 2250 2500 2750 3000 3250 3500 47 60 1.5 4 1 2 0.5 42 50 0 2000 70 6 Fuel Consumption gal/hr Maximum output at prop shaft 12 52 Fuel Consumption L/hr 20 57 Crankshaft Torque lb-ft 25 16 2 80 Crankshaft Torque Nm 30 Maximum output at crankshaft Output (crankshaft/propeller shaft) mhp Output (crankshaft/propeller shaft) kW 20 Fuel Consumption 8 24 0 37 1750 3750 2000 2250 Crankshaft Speed min-1 2500 2750 3000 3250 3500 3750 0 1750 2000 2250 2500 2750 3000 3250 3500 3750 Crankshaft Speed...

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