Caterpillar Inc.

James A Krellner

John James Krone

Kevin X Huang

Darren A Hartman

A method and apparatus for controlling a mobile machine during start-up. The mobile machine has a prime power source, a means for transport, and at least one auxiliary system; the means for transport and the at least one auxiliary system are controllably driven by the prime power source. The method and apparatus includes determining an actual angle of steering of the mobile machine, comparing the actual angle of steering with a desired angle of steering, starting the prime power source, enabling engagement of the at least one auxiliary system, and disabling engagement of the means for transport in response to the difference between the actual angle of steering and the desired angle of steering being greater than a predetermined threshold value.

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Crolles, France

James A Krellner