Yanmar type4JH4E
The Powerful Gem
Configuration
4-stroke, vertical, water cooled
marine diesel engine >
Maximum output at crankshaft
* 40.5 kW (55 mhp) / 3000 rpm ** 39.6 kW (54 mhp) / 3000 rpm >
Continuous rating output at crankshaft
36.8 kW (50 mhp) / 2907 rpm >
Displacement
2.19 L (134 cu in) >
Bore x stroke
88 mm x 90 mm (3.46 in x 3.54 in) >
Cylinders
4 >
Combustion system
Direct injection >
Aspiration
Natural aspiration >
Starting system
Electric starting 12 V - 1.4 kW >
Alternator
12 V - 80 A >
Cooling system
Fresh water cooling by centrifugal fresh water pump and rubber impeller sea water pump >
Lubrication system
Enclosed, forced lubricating system >
Direction of rotation(crankshaft)
Counter clockwise viewed from stern >
Dry weight without gear
200 kg (441 lbs) >
Environmental
BSO II, SAV, EMC compliant and meets the EU emission regulations introduced in 2006 >
Engine mounting
Rubber type flexible mounts >
NOTE: Fuel condition: Density at 15°C = 0.84 g/cm 3 ; 1kW = 1.3596 mhp = 1.3410 HP *Fuel temperature 25°C at the inlet of the fuel injection pump (ISO 3046-1) **Fuel temperature 40°C at the inlet of the fuel injection pump (ISO 8665)Technical data is according to ISO 8665 / 3046 Dimensions
(For detailed line-drawings, please refer to our web-site: www.yanmarmarine.com or contact your supplier) Rear view
274 mm (10.8 in)265 mm (10.4 in) Right side view
618 mm (24.3 in) max. 110 mm (4.3 in)min. 100 mm (3.9 in) 186.2 mm(7.33 in) 190 mm(7.5 in)506 mm (19.9 in)168 mm(6.6 in)470 mm (18.5 in)
Mixing elbowo 76.2 mm (3.0 in) 560 mm (22 in) 864 mm (34 in) 4JH4E w/ KM35A marine gear