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.
