To learn more about Caterpillar’s long history of innovation, go to /history. Today, we continue to focus on the changing needs of our customers by expanding our product and service offerings. 12 is an example of Caterpillar using cutting edge technology to provide our customers with the solutions they need. With over 80 years of service, it is the longest-running production model in the grader product line. The DNA of the Diesel No.12 is still on the product line today, where it is known as the Cat 12M series. ![]() Haifa-Bagdad Highway in the Middle East.Skyline Highway in Virginia and the Carolinas.12 worked on many well-known and important projects around the world: For close finishing work, a slower control setup provided extreme accuracy in blade settings. A simple shift of a lever gave the operator faster control for the longer blade movements required by coarse work. 12 Auto Patrol was even equipped with two-speed powered mechanical blade controls. The higher gears provided an ample speed range for a mix of road work, snow removal and travel. Second speed permitted faster operation for most ditching and other heavy work. A low speed provided both maximum pull for the heaviest jobs and more precision for fine grading. The transmission offered six forward speeds and two in reverse. A gasoline starting engine ensured easy starting regardless of atmospheric temperatures. Its six-cylinder Caterpillar diesel engine delivered 66 brake horsepower and was mounted over the driving axle to best utilize its weight in preventing wheel slippage. With the blade now mounted in the center position on the blade beams, the new Auto Patrol also permitted a correct ditching position on either side, with the toe of the 12-foot blade directly behind the front ditch wheel and ample clearance to prevent clogging. This feature was valuable for subgrade work, shaping bad spots, working short stretches, or where turning was difficult. In addition to high and low bank-cutting positions, the blade could be turned completely around, facing backwards, which meant an operator could continue to do work while driving in reverse. 12 had a range of useful blade positions, surpassing all competitors of its time. 12 was also a heavy-duty, self-propelled road grader designed for efficient and economical road building and maintenance work. But in addition to being stylish, the No. Its design was unique and is the origin of the modern motor graders we see today. ![]() In 1938 the Caterpillar Diesel No.12 was successfully demonstrated to an enthusiastic group of Cat dealers in Peoria, Illinois. 12 went on to be the most recognized, longest running machine on the Cat® Motor Grader product line. 12 Auto Patrol – part of the product line known today as motor graders. In July 1938, our road machinery division launched a new machine called the Caterpillar Diesel No. The fresh design targets up to 20 percent longer engine rebuild cycles than mechanical drive models, while 60 percent fewer moving parts translates to better machine uptime availability.During the height of the Great Depression Caterpillar continued developing cutting-edge new products. Promising low emissions-per-ton dozing, the D11 XE targets up to 25 percent less fuel costs per BCM. According to the company, when in production, this model will be the world's largest, most powerful and efficient electric drive dozer with high drive. THE ALL NEW CAT® D11 - MAKING THE BEST BETTER.How do you make the industry’s best large dozer even better By listening to our customers - the all new Cat D1. Leveraging 20-plus years of Cat electric drive experience and field application, the D11 XE dozer's electric drive system delivers constant power to the ground, continuous pushing and greater maneuverability for faster cycle times and improved fuel efficiency.Ĭombining optimum power to the ground with increased durability and ease of service, the D11 XE delivers the lowest cost per ton operation in dozing applications. ![]() MINExpo 2021 gave the mining industry the opportunity to see the future of efficient, productive and sustainable dozing with a preview of Cat's new D11 XE dozer.
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