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4JH4-HTE Engine Specifications
Engine Model
4JH4-HTE Marine Gear Model ZF30M KM4A2 KMH4A ZF25A Bobtail
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 power Output at crankshaft / 73.6 kW (100 hp metric)/3101 rpm *
Engine speed
Fuel stop power Output at crankshaft / Engine speed 80.9 kW (110 hp metric)/3200 rpm*
Output at propeller / Engine speed 77.7 kW (106 hp 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 rotation
Crankshaft Counterclockwise viewed from stern Propeller shaft (Ahead) Clockwise from stern Clockwise or counterclockwise (Bi-rotation) Cooling system 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 oil capacity (engine) Rake angle 7˚ 0˚ 7˚ or 0˚ Total** 5.7 ± 0.3 L (6.0 ± 0.3 qt) 6.9 ± 0.3 L (7.3 ± 0.3 qt) Refer to left
Starting system Oil pan only 5.2 ± 0.3 L (5.5 ± 0.3 qt)
Effective*** 6.4 ± 0.3 L (6.8 ± 0.3 qt) Refer to left
2.4 L (2.5 qt) Type Electric Starting motor DC 12 V - 1.4 kW AC generator 12 V - 80 A (12 V - 60 A optional)
Engine Model
4JH4-HTE Marine Gear Model ZF30M KM4A2 KMH4A ZF25A Bobtail
Engine dimension Overall length 923 mm (36.3 in.) 903 mm (35.6 in.) 933 mm (36.7 in.) 1017 mm (40.0 in.) 782 mm (30.8 in.)
Overall width
616 mm (24.3 in.) Overall height 659 mm (25.9 in.) Flywheel major dimension D339 x 66 mm (13.3 x 2.6 in.)
Engine dry mass (including marine gear) 245 kg (540 lb) 247 kg (545 lb) 248 kg (547 lb) 247 kg (545 lb) 217 kg (478 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. Note: Density of fuel: 0.842g/cm3 at 15˚C. Fuel temperature at the inlet of the fuel injection pump. 1 hp metric = 0.7355 kW