Caterpillar в хронологічному порядку

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.

• 212 Motor Grader Diesel single drive 1M1-1M299;
• 212 Motor Grader Gas single drive 8M18M89.

• 112 Motor Grader Diesel tandem 2M1-2M1516 '1939;
• 112 Motor Grader gas tandem 3M1-3M117 '1939;
• 112 Motor Grader Diesel single drive 4M1-4M57 '1939;
• 112 Motor Grader gas single 5M1-5M75 '1939;
• 112 Motor Grader diesel tandem drive 3U1-3U6651 '1947.

• No. 12 (6M) 66 HP '1939-42;
• No. 12 (9K) 70 HP '1938-45;
• No. 12 (7T) 75 HP '1945-47;
• No. 12 (8T) 100 HP '1947-55;
• No. 12 (70D/71D/80C) 115 HP '1955-59.