Page 26: of Maritime Reporter Magazine (July 1984)

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 i

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- our Diesel engines, tive technological improvements And now it's here. An engine that because of our absolute determina- is some 2.5% more fuel efficient than tion, in the face of spiraling fuel our 645 EB. Which was 1.5% more costs, to reduce fuel consumption in fuel efficient than our 645 EA.Which