4500kw Marine Diesel Maine Engines for TugboatsThe Characteristics of DN8330/DN8340 Marine Diesel Engines:
1. Meet with: ISO3046, ISO8178
2. Main application: Ocean fishing vessels, tugboats/oil tankers, container ships, passenger and cargo ships, engineering vessels
3. Low fuel consumption, high capacity of loading, reliable running, convenient operation, HFO capability
4. The engine block is of gantry box structure, form an integrity with underslung crankshaft to reduce vibration.
5. The crankshaft is high quality steel alloy integral full grain die forging, designed with counterweight for each cylinder, manufactured with complete machining technics, dynamic equilibrium inspection is taken to avoid crank unbalancing.
DN8330/DN8340 Marine Engine Introduction:Model DN8330/DN8340 diesel engine is direct injection, inline, turbocharged, intercooled, four stroke marine diesel engine, which adopts equilibrium crankshaft structure, has the characteristics of reliable structure, stable running, lower fuel consumption and simple operation.
The engine block is of gantry box structure, form an integrity with underslung crankshaft to reduce vibration.
The crankshaft is high quality steel alloy integral full grain die forging, designed with counterweight for each cylinder, manufactured with complete machining technics, dynamic equilibrium inspection is taken to avoid crank unbalancing.
Specifications of Main EnginesItem | Technical specifications |
Model | DN8330ZC/1 | DN8330ZC2/3 | DN8330ZC4/5 | DN8340ZC/1 | DN8340ZC2/3 | DN8340ZC4/5 |
Type | In-line,4-Stroke,Water Cooling, Direct Injection, Turbocharged intercooling, Irreversible |
Cylinder No. | 8 | 8 |
Rated Output(kW) | 3310 | 4045 | 3676 | 4500 | 4410 | 4045 |
Rated Speed(r/min) | 620 | 650 | 650 | 650 | 650 | 620 |
Bore x Stroke (mm) | 330 x 450 | 340 x 450 |
Meal Effective Pressure (MPa) | 2.08 | 2.43 | 2.2 | 2.54 | 2.49 | 2.40 |
Fuel Oil Consumption(g/kW.h) | ≤186 +5% | ≤186 +5% |
Lube Oil Consumption(g/kW.h) | ≤1.00 | ≤1.00 |
Fire Order | CW:1-4-7-6-8-5-2-3 CCW: 1-3-2-5-8-6-7-4 | CW:1-4-7-6-8-5-2-3 CCW: 1-3-2-5-8-6-7-4 |
Starting Method | Compressed air start | Compressed air start |
Starting Air Pressure(MPa) | 1.2-3.0 | 1.2-3.0 |
Piston Lifting Height(mm) | 2400 | 2400 |
Operation Method | Handle operation | Handle operation |
Overall Dimension(LXBXH) | 6620 x 2250 x 3980(mm) | 6820 x 1950 x 3850(mm) |
Net Weight(kg) | 48000 | 48000 |