The D9 came equipped with a 1,473 cid D353, which powered the D9 until the 1980 introduction of the D9L. In 1955, the 286 hp (213 kW) D9 was introduced to compete against the more powerful Euclid TC-12. Ten D9X prototype models were built in 1954.
#Cat d10 dozer specs series#
The series began in 1954 with a prototype tractor called the D9X. The D9 is a series of heavy tracked-type tractors, carried on continuous tracks and usually used as bulldozers. The size, durability, reliability, and low operating costs have made the D9 one of the most popular large track-type tractors in the world.Įngineering and technical description The D9, with 354 kW (474 hp) of gross power and an operating weight of 49 short tons (44 t), is in the upper end of Caterpillar's track-type tractors, which range in size from the D3 57 kW (77 hp), 8 short tons (7.3 t), to the D11 698 kW (935 hp), 104 short tons (94 t). It is usually sold as a bulldozer equipped with a detachable large blade and a rear ripper attachment. The Caterpillar D9 is a large track-type tractor designed and manufactured by Caterpillar Inc. A Caterpillar D9N on a beach CAT D9T, the current generation of the Caterpillar D9 tracked-type tractor series. The triangular track shape is caused by the need to accommodate the drive sprocket which is mounted high on the machine relative to ground level and higher than previous existing designs. 'High drive" refers to the position of the drive sprocket. D9H CAT D9L, the first D9 model to employ the "high drive" configuration.
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