1976-02-01

Caterpillar “G” Series Motor Grader Transmissions and Transmission Controls 760432

This paper describes the concept and design of the Caterpillar “G” series motor grader transmission and transmission controls. Comments on vehicle performance, power train, and oil system requirements are included.Countershaft directional clutches are combined with six or eight speed planetary ranges for this family of articulated motor graders.The pilot-operated hydraulic control provides smooth rapid gear ratio changes and “inching” modulation for the pressure lubed directional clutches.

SAE MOBILUS

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