Understanding Caterpillar Grader SN 14K853

[MikePhua]

Introduction
The Caterpillar 12 grader, introduced in 1938, revolutionized road construction with its innovative design and powerful performance. Over the decades, Caterpillar has continued to evolve the 12 series, introducing models like the 12G and 12M, each offering enhanced features and capabilities. Understanding the specifications and features of these models is crucial for operators and enthusiasts alike.
Caterpillar 12 Grader Specifications

• Engine: The 12G model is equipped with a 6-cylinder engine, providing robust power for various grading tasks.
  
• Dimensions: The overall length of the 12G grader is 27.27 feet, with a width over tires of 7.91 feet.
  
• Weight: The standard operating weight for the 12G grader is approximately 20,128 pounds.
  
• Blade: The 12G features a blade base of 8.44 feet, suitable for a range of grading applications.
  

Caterpillar 12M Motor Grader Specifications

• Engine: The 12M model boasts a VHP Plus engine, delivering 160 kW (214 hp) at 2,000 rpm.
  
• Weight: The total vehicle weight of the 12M is 22,490 kg (49,559 lb), making it a heavy-duty machine for demanding tasks.
  
• Blade: The 12M comes with a 12-foot blade, offering increased efficiency in material handling.
  
• Attachments: Common attachments for the 12M include moldboards and rippers, enhancing its versatility.
  

Historical Significance
The introduction of the No. 12 Motor Grader marked a significant milestone in Caterpillar's history. Celebrating its 75th anniversary, the No. 12 has seen multiple advancements over the years, including the introduction of articulated frames in the 12G model in 1973 and the 12H model's electronically controlled eight-speed transmission in 1995. These innovations have solidified the 12 series as a cornerstone in motor grader development.
Conclusion
The Caterpillar 12 series graders, from the original No. 12 to the modern 12M, showcase Caterpillar's commitment to innovation and quality. Each model has contributed to advancements in road construction and maintenance, reflecting the evolving needs of the industry. Understanding the specifications and historical context of these machines provides valuable insights for operators and enthusiasts.