Yanmar 4JH45 Operation Manual

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Yanmar 4JH45 Operation Manual Manual pdf 131 page image

SPECIFICATIONSJH Series Operation Manual 12312/054JH80 EngineNote: Density of fuel: 0.835 to 0.845 g/cm 3 at 15°C. Fuel temperature at the inlet of the fuel supply pump.Note: 1 hp metric = 0.7355 kWSpecification 4JH80Marine Gear Model ZF30M KM4A2 KMH4A ZF25A SD60 BobtailUse Pleasure useType Vertical water cooled 4-cycle diesel engineCombustion System Direct injectionAir Charging Turbocharged with air coolerNumber of Cylinders 4Bore x Stroke 84 mm x 90 mm (3.31 in. x 3.54 in.)Displacement 1.995 L (121.7 cu in.)Continuous power 53.5 kW (72.8 hp metric) / 3101 min-1Fuel stop power Output at crankshaft/engine speed58.8 kW (80 hp metric) / 3200 min-1*Output at propeller/engine speed56.4 kW (76.7 hp metric) / 3200 min-1* - -Installation Flexible mountingFuel Injection Timing Variable timing (Electronic control)Fuel Injection Pressure Variable pressure (Maximum injection pressure: 160 Mpa)Direction ofRotationCrankshaft Counterclockwise viewed from sternPropeller shaft (ahead) Clockwiseviewedfrom sternCounterclockwise orclockwise(Bi-rotation)Clockwise orcounterclockwise(Bi-rotation)- -Cooling System Coolant cooling with heat exchangerLubrication System Forced lubrication systemCooling Water Capacity (coolant) Engine 7.2 L (7.61 qt), Reservoir: 0.8 L (0.85 qt)Lubricating OilCapacity(engine)Rake angle at rake angle 7° at rake angle 0°Total ** 5.5 L(5.81 qt)6.7 L (7.08 qt)Oil pan only 5.2 L(5.49 qt)6.4 L (6.76 qt)Effective *** 2.4 L (2.54 qt)Starting System Type ElectricStarting motor DC 12 V - 1.4 kWAC generator 12 V - 120 AEngineDimension Overall length 925 mm(36.4 in.) 909 mm(35.8 in.) 907 mm(35.7 in.) 905 mm(35.6 in.) 787 mm(31.0 in.) 787 mm(31.0 in.)Overall width 613 mm (24.1 in.)Overall height 675 mm (26.6 in.)Engine Dry Mass (including marine gear) 254 kg(560 lb)263 kg(580 lb)261 kg(575 lb)259 kg(571 lb)229 kg(505 lb)229 kg(505 lb)* Rating Condition: Temperature of fuel; 40°C at fuel pump inlet; ISO 8665** The “total” oil quantity includes oil in oil pan, channels, coolers and filter.*** The effective amount of oil shows the difference in maximum scale of the dipstick and minimum scale.