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Caterpillar Inc., also known as Cat, is an American construction, mining and other engineering equipment manufacturer. [6] The company is the world's largest manufacturer of construction equipment. [3] [7] [8] In 2018, Caterpillar was ranked number 73 on the Fortune 500 list [9] and number 265 on the Global Fortune 500 list. [10]
Caterpillar hair has also been known to cause kerato-conjunctivitis. The sharp barbs on the end of caterpillar hairs can get lodged in soft tissues and mucous membranes such as the eyes. Once they enter such tissues, they can be difficult to extract, often exacerbating the problem as they migrate across the membrane. [34]
As of 2010, Caterpillar Inc. was the 229nd largest company in the world, In 2011, Caterpillar was the best-performing stock last year among the 30 companies in the Dow Jones industrial average [30] with a market value of US$45.13 billion. Caterpillar is one of the 30 companies whose stock is tracked in the Dow Jones Industrial Average.
Due to the model adjustment, the D9L is the most powerful D9 in history, with a flywheel power of 460 hp (340 kW). The D9L is also the heaviest D9 in history at 130,000 pounds (59,000 kg). In 1988, Caterpillar produced their 25,000th elevated-drive-sprocket track-type tractor, a D9N. The 405 hp (302 kW) D9R replaced the D9N in 1996.
The Caterpillar D8 is a medium track-type tractor designed and manufactured by Caterpillar. Though it comes in many configurations, it is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment.
In 1998 Caterpillar Inc bought Perkins from LucasVarity for US$1.325 billion, creating what they claimed was the world's largest diesel engine manufacturer. Perkins now had manufacturing facilities in the United Kingdom, United States, Brazil, China, India, and a joint venture with Ishikawajima-Shibaura-Machinery company in Japan.
The Caterpillar C32 is a V12 diesel engine made by Caterpillar Inc. The engine displacement is 32.1 liters (1959 cubic inches). The cylinder size is 5.71 inches x 6.38 inches bore/stroke. The engine can produce up to 1900 horsepower at 2300 rpm. The peak torque of 5532 lb-ft occurs at an engine speed of 1300 to 1800 RPM.
Orgyia leucostigma, the white-marked tussock moth, is a moth in the family Erebidae.The species was first described by James Edward Smith in 1797. The caterpillar is very common especially in late summer in eastern North America, extending as far west as Texas, California, and Alberta.