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