Historical documents

Page 7 - Historical documents

A series of documents and historical articles related to the company

The ASYNCHRO transmission

Jan-1970

The difficulty of transmitting high power in mechanical gearboxes does not come from the gears, which are suitably dimensioned and have no other limits than that of the gears themselves

The first tests; the C.F.D.'s Petolat tractor.

Jan-1970

In order to carry out the numerous shunting operations at Gueugnon station on their Saône-et-Loire network, the Cie C.F.D. used a steam locomotive until 1930. At that time, the important traffic was n

The first tests; the C.F.D.'s Petolat tractor.

A French mechanical transmission

Sep-1961

A locomotive gearbox, designed to avoid a sudden loss of tractive effort when shifting gears, has been used on twin-engine locomotives with a power rating of up to

A French mechanical transmission

The operation of the "Asynchro" box

Jun-1957

Manufactured in the Montmirail workshops, the "ASYNCHRO" hydromechanical transmission has a single coupler in the hydraulic part, which avoids the use of torque transformers that do not have any coupl

Diesel locomotives before 1940

Jul-1955

Although the creation of the diesel engine dates back to the end of the nineteenth century, it was not until the 1940s that diesel locomotives became widely used throughout the world.

Diesel locomotives before 1940

Diesel locomotives since 1940

Jul-1955

While in Europe the war halted the development begun in 1939, in the United States diesel traction was undergoing a major development, which, becoming more pronounced in the post-war period, led to f

Diesel locomotives since 1940
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