The ship's main engine is the primary power source, converting fuel into mechanical energy to propel the vessel. Key engine parts include the cylinder block, pistons, crankshaft, and fuel injection system. Auxiliary components like turbochargers and cooling systems ensure efficient operation.

Main Engine Specifications:

- Power Output: 10,000 kW to 100,000 kW

- RPM Range: 70 to 200 (slow-speed), 300 to 1,000 (medium-speed)

- Fuel Type: Heavy Fuel Oil (HFO), Marine Diesel Oil (MDO), or LNG

- Cylinder Bore: 300 mm to 1,000 mm

- Stroke Length: 1,500 mm to 3,500 mm

- Compression Ratio: 12:1 to 18:1

- Lubricating Oil Viscosity: SAE 30 to SAE 50

- Cooling System: Freshwater or Seawater

- Material: Cast Iron, Steel Alloy, Aluminum Alloy

Engine Parts Specifications:

- Piston Material: Forged Steel or Aluminum Alloy

- Cylinder Liner Material: Cast Iron with Chromium Plating

- Crankshaft Material: Forged Steel

- Connecting Rod Material: Forged Steel or Titanium Alloy

- Bearings: White Metal (Babbitt) or Bronze

- Turbocharger: Nickel or Titanium Alloy

- Gasket Material: Graphite or Elastomer

Fluid Properties:

- Fuel Viscosity: 180 cSt to 700 cSt (HFO), 2 cSt to 6 cSt (MDO)

- Lubricating Oil Grade: API CF-4, API CJ-4

- Coolant Grade: Ethylene Glycol or Propylene Glycol

Buoyancy & Structural Properties:

- Engine Weight: 50 tons to 2,000 tons

- Displacement: Varies based on engine size and ship design

- Material Density: 7.8 g/cm³ (Steel), 2.7 g/cm³ (Aluminum)

- Corrosion Resistance: High-grade coatings or stainless steel