ZICHAI Marine 8N330-UW Engine
The 8N330-UW is an 8-cylinder in-line, 4-stroke, direct injection, turbocharged and intercooled non-reversible engine with a 330 mm cylinder bore. It delivers a rated power of 2942 kW / 4000 PS at 620 rpm. Featuring a robust design and rigorous validation, it provides outstanding reliability, stable output and high uptime.
Adopting advanced combustion and electronic control technologies, the engine achieves high efficiency, excellent fuel economy and low operating costs, helping to improve profitability. Meanwhile, it fully complies with the latest domestic and international emission regulations, providing a green, eco-friendly and sustainable power solution for marine applications.
Advantages of Marine Engine 8N330-UW
Reliable & Durable: Sturdy structure and reliable operation ensure stable performance and long service life.
Highly Efficient: Advanced technology optimizes energy efficiency and lowers operating costs effectively.
Eco-friendly: Fully compliant with international emission regulations for green and sustainable operation.
Stable Output: Professional design guarantees consistent power performance and high uptime.
Technical Specifications
| Engine Model : | 8N330-UW |
| Rated Power : | 2942 kW / 4000 PS |
| Rated Speed : | 620 rpm |
| Cylinder Bore : | 330 mm |
| Piston Stroke : | 440 mm |
| Cylinder No. : | 8 |
| Total Displacement : | 301.1 L |
| Mean Effective Pressure : | 1.892 MPa |
| Supercharge Pressure (Absolute) : | 0.34 ± 0.01 MPa |
| Maximum Combustion Pressure : | ≤17 |
| General Information of ZICHAI 8N330-UW Marine Engine | |||||
|---|---|---|---|---|---|
| Model | 8N330-UW | Type | In-line, four strokes, direct injection, turbocharged, intercooled, irreversible | ||
| Rated Power | 2942 kW / 4000 PS | Rated Speed | 620 rpm | ||
| Cylinder Bore | 330 mm | Piston Stroke | 440 mm | ||
| Cylinder No. | 8 | Total Displacement | 301.1 L | ||
| Compression Ratio | 13.5 | Minimum Stable Speed | 248 rpm | ||
| Mean Piston Speed | 9.09 m/s | Mean Effective Pressure | 1.892 MPa | ||
| Supercharger Pressure (Absolute) | 0.34 ± 0.01 MPa | Maximum Combustion Pressure | ≤17 MPa | ||
| Each Cylinder Exhaust Temperature | ≤350 ℃ | Exhaust Temperature Before Turbocharger | ≤490 ℃ | ||
| Fuel Oil Consumption | At rated power, when the fuel oil low calorific value is 42.7 MJ/kg (10.200 kcal/kg) | Lubrication Oil Consumption | 1.0 g/kW·h | ||
| Fire Order | 1-4-7-6-8-5-2-3 (Clockwise) 1-3-2-5-8-6-7-4(Counter-Clockwise) | Starting Method | Started by compressed air | ||
| Fuel Injection Timing | 10~13.5° before top dead center | Starting Air Pressure | Max. starting pressure: 2.94 MPa; Min. starting air: 1.1 MPa | ||
| Dimensions ( L × W × H ) | 6801.7×1977×3556.5 mm (Only reference, please refer to the drawing) | Height Of Lifting Piston From Crankshaft | 3223 mm | ||
| Weight | (About) 43000 kg | Crank Arrangement | 1.8 3.6 2.7 4.5 | ||
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8N330 Series Marine Engine Dimensions
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.
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