Diesel EnginesDiesel EnginesBy Thomas FowlerBy Thomas Fowler

The 4.5-liter V-8 Duramax (GM) improves fuel efficiency by 25 percent when compared with

gasoline engines

Diesel Engine BasicsDiesel Engine Basics

Internal Combustion Internal Combustion EngineEngine

Runs on Diesel Fuel Runs on Diesel Fuel (named after Dr. (named after Dr. Rudolph Diesel)Rudolph Diesel)

Piston compresses air, Piston compresses air, air heats up by air heats up by compression, fuel compression, fuel injected, hot air ignites injected, hot air ignites fuelfuel

Gasoline Engine: Fuel Gasoline Engine: Fuel mixed with air, mixed with air, compressed, ignited by compressed, ignited by spark plugsspark plugs

Examples of Diesel EnginesExamples of Diesel Engines

Largest Diesel Engine in the World:Largest Diesel Engine in the World: The The Wartsila-Sulzer RTA96-C The The Wartsila-Sulzer RTA96-C

Turbocharged Two-Stroke Diesel Engine Turbocharged Two-Stroke Diesel Engine

Total engine weight: 2300 Total engine weight: 2300 tons  (The crankshaft tons  (The crankshaft alone weighs 300 tons.)alone weighs 300 tons.)

Length: 89 feetLength: 89 feet Height: 44 feetHeight: 44 feet Maximum power: Maximum power: 108,920 108,920

hp at 102 rpm hp at 102 rpm  Maximum torque: Maximum torque:

5,608,312 lb/ft at 5,608,312 lb/ft at 102rpm 102rpm