High Speed Marine Diesel Engine 4L68C/4L88C 68-88hp
High speed marine diesel engine 4L68C/4L88C 68-88hp
Have “CCS”,“ZY”and“EC” type approval certificates
Match with SCG025,ZF25M,ZF30M,MA125A reduction gearbox and high flexible coupling
Low inertia hole of fuel injector with low fuel consumption and emission
Exhaust manifold integrated with sea fresh water heat exchanger design, it has a compact size and lower noise
Main Technical Data
Model |
4L68C |
4L88C |
Type |
In line,water cooling, four stroke, nature inspiration |
In line,water cooling, four stroke, turbo charger |
Combustion chamber type |
Direct injection |
|
Cylinder No. |
4 |
|
Bore×Stroke (mm) |
95×100 |
|
Total displacements (L) |
2.834 |
|
Fire order |
1→3→4→2 |
|
Compression ratio |
18:1 |
|
Rated power/Speed (kW/r/min) |
50/3200 |
65/3200 |
Max. power/Speed (kW/r/min) |
55/3303 |
71.5/3303 |
Rated fuel consumption (g/ kW·h) |
≤245 |
|
Lubrication method |
Combination of force,Splash |
|
Cooling method |
Force water cooling,closed circulation by sea fresh heat-exchanger |
|
Rotation direction |
Anticlockwise (View from flywheel end) |
|
Starting method |
Electric(option another starting device) |
|
Max. idle speed(r/min) |
3460 |
|
Idle speed (r/min) |
≤850 |
|
Overall dimension(L×W×H)(mm) |
666×630×658 |
695×650×658 |
Net weight(Kg) |
280 |
305 |
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