Yanmar 4JH45 - 4 JH45 Engine

SPECIFICATIONS
154 JH Series Operation Manual
4JH45 Engine
Note: • Density of fuel: 0.835 to 0.845 g/cm
3
at 15 °C. Fuel temperature at the inlet of the
fuel supply pump.
• 1 hp metric = 0.7355 kW
Specification 4JH45
Marine Gear Model KM35P ZF30M ZF25 KM35A2 KM4A1 ZF25A SD60-5 Bobtail
Use Recreational use
Type Vertical water cooled 4-cycle diesel engine
Combustion System Direct injection
Air Charging Natural aspiration
Number of Cylinders 4
Bore x Stroke 88 mm x 90 mm (3.46 in. x 3.54 in.)
Displacement 2.190 L (133.6 cu in.)
Continuous power 30.1 kW (41 hp metric) / 2907 min
-1
Fuel stop power Output at
crankshaft/
engine speed
33.1 kW (45 hp metric) / 3000 min
-1*
* Rating Condition: Temperature of fuel; 40 °C at fuel pump inlet; ISO 8665
Output at propeller/
engine speed
31.8 kW (43.3 hp metric) / 3000 min
-1
*--
Installation Flexible mounting
Fuel Injection Timing Variable timing (Electronic control)
Fuel Injection Pressure Variable pressure (Maximum injection pressure: 160 Mpa)
Direction of
Rotation
Crankshaft Counterclockwise viewed from stern
Propeller shaft
(ahead)
Clockwise viewed
from stern
Counter
clockwise or
clockwise
(Bi-rotation)
Clockwise
viewed from
stern
Counterclockwise
or clockwise
(Bi-rotation)
--
Cooling System Coolant cooling with heat exchanger
Lubrication System Forced lubrication system
Cooling Water Capacity (coolant) Engine 6.0 L (6.34 qt), Reservoir: 0.8 L (0.85 qt)
Lubricating Oil
Capacity (engine)
Rake angle at rake angle 7° at rake angle 0°
Total
**
** The “total” oil quantity includes oil in oil pan, channels, coolers and filter.
5.0 L (5.28 qt) 5.5 L (5.81 qt)
Oil pan only 4.5 L (4.76 qt) 5.0 L (5.28 qt)
Effective
***
*** The effective amount of oil shows the difference in maximum scale of the dipstick and minimum scale.
1.4 L (1.48 qt)
Starting System Type Electric
Starting motor DC 12 V - 1.4 kW
AC generator 12 V - 125 A
Engine
Dimension
Overall length 870 mm
(34.3 in.)
950 mm
(37.4 in.)
990 mm
(39.0 in.)
868 mm
(34.2 in.)
926 mm
(36.5 in.)
936 mm
(36.7 in.)
802 mm
(31.6 in.)
802 mm
(31.6 in.)
Overall width 588 mm (23.1 in.)
Overall height 631 mm (24.8 in.)
Engine Dry Mass
(including marine gear)
235 kg
(518 lb)
243 kg
(536 lb)
253 kg
(558 lb)
236 kg
(520 lb)
253 kg
(558 lb)
243 kg
(536 lb)
264 kg
(582 lb)
220 kg
(485 lb)
3JH40_4JH45_4JH57_4JH80_4JH110_EN_OPM.book 154 ページ ２０２２年９月２２日 木曜日 午後６時１７分