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The Caterpillar D7 is a medium track-type tractor manufactured by Caterpillar Inc. and most commonly used as a bulldozer. The D7 was first manufactured in 1938. A series of improved models were later produced, including the D7C in 1955, the D7D in 1959, the 160 hp (120 kW) D7E in 1961, the 180 hp (130 kW) D7F in 1969 and the 200 hp (150 kW) D7G ...
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]
CAT D10N at work in Rishon LeZion, Israel. Among modern tractors, the High Drive (elevated sprocket) design was unique to Caterpillar products. The concept originated in 1914 with Caterpillar predecessor C. L. Best Tractor's 30 Humpback; [citation needed] this tractor was discontinued a year later, and the only other tractor to use the concept until the D10's introduction was the Cletrac Model ...
B7R is powered by the Volvo D7E (previously D7A, D7B and D7C) six-cylinder diesel engine with a turbocharger and intercooler. The D7E engine produces 290 hp with 1200 Nm of torque between 1050 and 1650 r/min. It comes with a retarder incorporated into the gearbox. The retarder slows down the engine when brakes are applied.
Caterpillar D2 with cutter and cart Caterpillar D2 compact crawler tractor (built from 1938–1957) at the Belvoir Castle Steam Festival 2007, Belvoir Castle, England. The Caterpillar D2 is an agricultural tractor manufactured by Caterpillar. It was introduced in 1938 [3] and was the smallest diesel powered track-type tractor manufactured by ...
Bill Murray appeared on Travis and Jason Kelce’s “New Heights” podcast (via The Daily Beast) and defended the current cast of “Saturday Night Live” from critics who say the show has ...
McNamara opened the 2023 season as Iowa’s starting quarterback but suffered a season-ending ACL tear five games into the season. He recovered in time to be Iowa’s Week 1 starter again but ...
The design of a plain bearing depends on the type of motion the bearing must provide. The three types of motions possible are: Journal (friction, radial or rotary) bearing: This is the most common type of plain bearing; it is simply a shaft rotating in a hole. [3]