The biggest marine engine in the world is the Wärtsilä RT-flex96C, a two-stroke diesel engine used in large container ships.

Key engine parts include the crankshaft, pistons, cylinder liners, fuel injectors, turbochargers, and the bedplate for structural support.

It stands over 44 feet tall, weighs 2,300 tons, and delivers up to 108,920 horsepower for massive propulsion power.

The biggest marine engine in the world is the Wärtsilä RT-flex96C, a two-stroke turbocharged diesel engine. Below are its key specifications and technical properties:

Size: - Length: ~27 meters - Height: ~13.5 meters - Weight: ~2,300 tons - Displacement: 25,480 liters per cylinder - Bore: 960 mm - Stroke: 2,500 mm

Grade & Fuel: - Heavy Fuel Oil (HFO) or Marine Diesel Oil (MDO) - Compliant with IMO Tier II and Tier III emission standards

Viscosity: - Fuel viscosity range: 10–700 cSt (adjustable with preheating)

Buoyancy: - Not applicable (engine is fixed within the ship's hull)

Material: - Cylinder liners: Cast iron with chrome plating - Pistons: Steel alloy with aluminum skirts - Crankshaft: Forged steel - Engine block: High-strength cast iron or welded steel

Engine Parts: - Turbochargers (up to 4 units) - Common rail fuel injection system - Exhaust gas recirculation (EGR) system - Bedplate and frame for structural support - Crosshead bearings for piston rod alignment

Power Output: - Max power: ~80,080 kW (108,920 hp) - Speed: 102 RPM (for optimal efficiency)