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Caterpillar is the world's largest manufacturer of construction and mining equipment, diesel engines, industrial gas turbines, and diesel-electric locomotives. The company boasts a rich heritage spanning over a century, with a sales and service network spread across more than 190 countries and a global manufacturing footprint in over 40 countries. At Diesel Truck Repair, we carry a wide range of genuine Caterpillar parts for your heavy-duty Caterpillar diesel engines and more.