Basic engine specifications
Rating ·······························································································P1
Rated power-kW ··············································································· 173
Rated speed-rpm ·············································································1800
Overload power-kW··········································································· 188
Overload speed-rpm·········································································1858
Rated power tolerance-%······································································±3
Idle speed-rpm·················································································· 650
High idle speed-rpm··········································································1980
No of Cylinders / Valves ······································································6/24
Cylinders arrangement ···································································· In-line
Thermodynamic cycle ···································································4 stroke
Bore × Stroke-mm(in)·················································· 126×130 (4.96×5.11)
Compression ratio ·········································································· 11.5:1
Displacement-L(in3) ······························································ 9.726 (707.6)
Gas system···································································· electronic control
Injection system············································································ premix
Aspiration ·····················································Turbocharged and aftercooled
Flywheel housing/Flywheel/N° of teeth on flywheel ring gear(standard) ············
SAE 1/14"/136
Flywheel housing/Flywheel/N° of teeth on flywheel ring gear(optional)··············
/
Firing order ············································································ 1-5-3-6-2-4
Rotation(from flywheel end)···············································Counterclockwise
Overall dimensions(L×W×H)-mm(in)······· 1490×774×1400 (58.7×30.5×55.1)
Dry weight-kg(lb)···································································· 1056 (2328)
Security parameters
Alarm speed-rpm···············································································2070
Shut down speed-rpm ········································································2160
Alarm oil pressure-MPa ·······································································0.12
Shut down oil pressure-MPa·································································0.08
Alarm oil temperature-°C(°F)························································· 105(221)
Alarm coolant temperature-°C(°F) ················································· 97(206.6)
Noise
Diesel engine noise(Acoustic power level)- dB(A) ······································· 95
Rating definitions
Continuous power (P1)
The engine can run at full load continuously. The average load factor is 70% to
100%. Annual working time is more than 4000h.
Heavy duty power (P2)
The engine can run at full load for 8h every 12h. The average load factor is 40%
to 80%. Annual working time is 2000h to 4000h.
Pleasure vessels in commercial operation (P3)
The engine can run at full load for 4h every 12h. The average load factor is 50%
to 70%. Annual working time is 500h to 2000h.
Government vessels (P4)
The engine can run at full load for 2h every 8h. The average load factor is 70% to
90%. Annual working time is less than 500h.
Light duty power (P5)
The engine can run at full load for 0.5h every 5h. The average load factor is 60%.
Annual working time is less than 300h.
Air intake system
Intake air flow-m3/min(cfm) ·························································9.8(349.87)
Intake air temperature up to-°C(°F)·················································· 55 (131)
Exhaust system
Max. exhaust back pressure-kPa(in H2O)········································ 7.5 (30.1)
Lubricating system
Max. install angle(fore-aft)·····································································10°
Max. install angle(athwart ship) ······························································15°
Max. operating angle(fore-aft)································································30°
Max. operating angle(athwart ship) ·························································30°
Sump type·························································································Wet
Oil capacity Low/High-L(gal) ·········································· 25.3/30.5 (5.57/6.71)
Oil gas consumption ratio based on engine gas consumption data-% ·········· ≤0.3
Oil flow- L/min(gal/min)································································180 (39.6)
Electric system
Electrical system voltage(2-pole)-V ·························································· 24
Starter power-kW(hp) ·································································· 7.5 (10.2)
Recommended battery capacity(5°C and above)- A.h································ 169
Recommended battery capacity(-5°C and above) - A.h······························ 191
Alternator working current-A ··································································· 35
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