
SPECIFICATIONS
PRINCIPAL ENGINE SPECIFICATIONS
1GM10 Engine Specifications
Type Vertical 4-cycle water-cooled diesel engine
Combustion System Swirl pre-combustion chamber
Number of Cylinders 1
Bore and Stroke 75 mm x 72 mm (2.95 in. x 2.83 in.)
Displacement 0.318 L (19.4 cu. in.)
Continuous
Rating Output
Output at
Crankshaft /
Engine Speed
5.9 kW (8 hp metric) / 3400 rpm
*
Brake Mean
Effective
Pressure
6.66 kg/cm² (94.73 psi)
Piston Speed 8.16 m / sec. (26.77 ft / sec.)
Maximum
Rating Output
Output at
Crankshaft /
Engine Speed
6.7 kW (9 hp metric) / 3600 rpm
*
6.6 kW (9 hp metric) / 3600 rpm
**
Brake Mean
Effective
Pressure
7.07 kg/cm² (100.56 psi)
Piston Speed 8.64 m / sec. (28.35 ft / sec.)
Compression Ratio 23.0 : 1
Fuel Injection Timing (BTDC) 15° ± 1°
Fuel Injection Pressure 170 ± 5 kg/cm² (2347- 2489 psi)
Main Power Take Off At flywheel end
Front Power Take Off At crankshaft V-pulley end
Direction of
Rotation
Crankshaft Counterclockwise viewed from stern
Propeller Shaft
(Ahead)
Clockwise viewed from stern
Cooling System Direct seawater cooling (Rubber impeller water pump)
Lubrication System Complete enclosed forced lubrication system
*
Rating Condition: Temperature of fuel: 25˚C at fuel pump inlet; ISO 3046-1
**
Rating Condition: Temperature of fuel: 40˚C at fuel pump inlet; ISO 8665
GM Series Operation Manual 67
© 2007 Yanmar Marine International
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