SPECIFICATIONS 4JH4-TE Engine Specifications Engine Model Marine Gear Model
4JH4-TE ZF30M
KM4A2 KMH4A
ZF25A
SD50-4T
Use
Pleasure use
Type
Vertical water cooled 4-cycle diesel engine
Combustion system
Direct injection
Air charging
Turbocharged
Number of cylinders
4
Bore x stroke
84 x 90 mm (3.31 x 3.54 in.)
Displacement
1.995 L (121.74 cu in.)
Continuous Output at power crankshaft / Engine speed
50.2 kW (68.3 hp metric)/3101 rpm *
Fuel stop power
55.2 kW (75.1hp metric)/3200 rpm*
Output at crankshaft / Engine speed Output at propeller / Engine speed
Bobtail
53.0 kW (72.1hp metric)/3200 rpm*
Installation
-
Flexible mounting
Fuel injection timing
Plunger lift at TDC 1.26 ± 0.01 mm (when W-CSD is released)
Fuel injection opening pressure
21.6 ± 0.5 MPa
Main power take off
At flywheel end
Direction of Crankshaft rotation Propeller shaft (Ahead)
Counterclockwise viewed from stern Clockwise from stern
Cooling system
Clockwise or counterclockwise (Bi-rotation)
-
Fresh water cooling with heat exchanger
Lubrication system
Complete enclosed forced lubrication system
Cooling water capacity (fresh)
Engine: 7.2 L (7.6 qt), Coolant recovery tank: 0.8 L (0.8 qt)
Lubricating Rake angle oil capacity Total** (engine)
7˚
0˚
7˚ or 0˚
5.7 ± 0.3 L (6.0 ± 0.3 qt)
6.9 ± 0.3 L (7.3 ± 0.3 qt)
Refer to left
5.2 ± 0.3 L (5.5 ± 0.3 qt)
6.4 ± 0.3 L (6.8 ± 0.3 qt)
Refer to left
Oil pan only Effective*** Starting system
96
Type
2.4 L (2.5 qt) Electric
Starting motor
DC 12 V - 1.4 kW
AC generator
12 V - 80 A (12 V - 60 A optional)
JH4 Series Operation Manual
