Page 26: of Maritime Reporter Magazine (August 1983)

Heavy Head Exhaust

Valve

Laser Hardened port area of Cylinder Liner

Pre-Stressed Stainless

Steel Top Ring With -

Chrome Face and Sides

Fire Ring Piston (turbo charged engine; 14.5:1 compression ratio) 16.0:1 Compression

Ratio (turbocharged engine)

Redesigned Rocking

Piston Pin Increasing -

Load Capacity by 50%

Nickel-Plated Lower

Liner Insert

Fluorocarbon Lower

Liner Seals

Model F Crankcase

The most fuel-efficient Diesel engine

The newest 645 marine Diesel from General Motors' Electro-

Motive Division did not appear overnight. Emphatically not.

It was developed after years of painstaking research and innova- tive technological improvements because of our absolute determina- tion, in the face of spiraling fuel costs, to reduce fuel consumption in our Diesel engines.

And now it's here. An engine that is some 2.5% more fuel efficient than our 645 EB. Which was 1.5% more fuel efficient than our 645 EA. Which