Road construction equipment

This machine was originally introduced as the "Caterpillar Diesel No. 12 Auto Patrol" on July 4,1938, but was soon renamed as a "Motor Grader" just one year later.

Weighing in at 20,360 pounds, the No. 12 Auto Patrol featured a 12-foot blade, had six forward speeds and two reverse speeds. This machine, as well as other auto patrol models, was primarily used in the building of roads and snow removal.

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