4JH4-TE Engine Specifications

Engine Model

4JH4-TE Marine Gear Model ZF30M KM4A2 KMH4A ZF25A SD50-4T 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 / 50.2 kW (68.3 hp metric)/3101 rpm *

Engine speed

Fuel stop power Output at crankshaft / Engine speed 55.2 kW (75.1hp metric)/3200 rpm*

Output at propeller / Engine speed 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 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-TE Marine Gear Model ZF30M KM4A2 KMH4A ZF25A SD50-4T 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.) 782 mm (30.8 in.)

Overall width 616 mm (24.3 in.)

Overall height 659 mm (25.9 in.)

Flywheel major dimension

Engine dry mass (including marine gear) 235 kg (518 lb) 237 kg (523 lb)

D339 x 66 mm (13.3 x 2.6 in.) 238 kg (525 lb) 237 kg engine: 173 kg (523 lb) (engine: 381 lb)

249 kg (engine: 207 kg) (549 lb) (engine: 456 lb) 207 kg (456 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