The 4-and 5-Cylinder Turbocharged Diesel Engines for Volkswagen and Audi 820441

Volkswagen produces a series of 4-, 5- and 6-cylinder naturally aspirated Diesel engines of the swirlchamber type since 1978. On this basis the development of a 4- and 5-cylinder turbocharged engine was begun.
The paper describes the design and development highlights of the 4-cylinder engine with a nominal power of 51 kW and the 5-cylinder version with 64 kW power output.
The performance characteristic of the major engine components as well as exhaust emissions and fuel consumption, measured on the engine dynamometer and in actual vehicle installation, are reported.


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