As the leading ship supplier in Rwanda, Ship Engine Working Principle, we specialize in delivering high-quality 4 Stroke Ship Engine with unmatched speed and reliability. Trusted by shipowners and masters worldwide, our team ensures your vessel gets everything it needs — on time, every time.
A 4-stroke ship engine operates on intake, compression, power, and exhaust strokes to generate propulsion. Key engine parts include the cylinder block, pistons, crankshaft, camshaft, valves, and fuel injection system. It is designed for durability and efficiency in marine environments.
4 Stroke Ship Engine Specifications:
- Size: Typically ranges from 500 mm to 3,000 mm in length, depending on power output.
- Grade: Marine diesel engines, often classified by power (e.g., 500 HP to 50,000 HP).
- Viscosity: Lubricating oil viscosity ranges from SAE 15W-40 to SAE 40.
- Buoyancy: Not directly applicable; engines are mounted on ship structures.
- Material: Cylinder blocks and heads are made of cast iron or aluminum alloy; pistons are aluminum alloy; crankshafts are forged steel.
Engine Parts Specifications:
- Cylinder Liner: Cast iron, 200-500 mm diameter.
- Piston: Aluminum alloy, 150-400 mm diameter.
- Connecting Rod: Forged steel, length varies with engine size.
- Crankshaft: Forged steel, 300-1,000 mm diameter.
- Valves: Stainless steel, 50-150 mm diameter.
- Bearings: Bronze or Babbitt metal, thickness 5-20 mm.
- Gaskets: Multi-layer steel or composite materials.
- Lubricating Oil: SAE 30 or SAE 40 for marine applications.
- Cooling System: Freshwater or seawater cooling, depending on design.
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