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The D9 is a series of heavy tracked-type tractors, carried on continuous tracks and usually used as bulldozers. The series began in 1954 with a prototype tractor called the D9X. Ten D9X prototype models were built in 1954. In 1955, the 286 hp (213 kW) D9 was introduced to compete against the more powerful Euclid TC-12.
This page is subject to the extended confirmed restriction related to the Arab-Israeli conflict. An Israeli armored Caterpillar D9R bulldozer. Its armor allows it to work under heavy fire. The IDF Caterpillar D9 — nicknamed Doobi — is a Caterpillar D9 armored bulldozer used by the Israel Defense Forces (IDF). It is supplied by Caterpillar Inc. and modified by the Israel Defense Forces ...
A bulldozer or dozer (also called a crawler) is a large, motorized machine equipped with a metal blade to the front for pushing material: soil, sand, snow, rubble, or rock during construction work. It travels most commonly on continuous tracks , though specialized models riding on large off-road tires are also produced.
The cost of a new Cat D9 bulldozer is at least $900,000 (£739,624) but extensive “slat armour” editions and offensive capabilities mean the vehicle’s total cost likely exceeds £1 million.
An IDF Caterpillar D9: a Caterpillar D9R bulldozer with Israeli armour used by the Israel Defense Forces. The armoured bulldozer is a basic tool of combat engineering.These combat engineering vehicles combine the earth moving capabilities of the bulldozer with armour which protects the vehicle and its operator in or near combat.
A German Bautz AS120 tractor Danish Bukh tractors (1959–1966) from Danmarks Traktormuseum. B.F. Avery (USA) Babcock & Wilcox (Spain) Babiole (France) Backus (USA) Badley (USA) ...
1987: D8N (285 hp [213 kW]) with differential steer transmission, the first track-type Caterpillar tractor to have one (the new D8N was smaller than the old D8L size, which was replaced by the new D9N model). 1996: 305 hp (227 kW) D8R replaced D8N. 2000: D8R Series 2 replaced the D8R. 2004: 310 hp (230 kW) D8T ACERT replaced D8R Series 2. [1]
The Caterpillar D11T is a large bulldozer introduced by Caterpillar Inc. in 1986 to replace its D10.Weighing 248,500 pounds (112,700 kg), it is Caterpillar's largest and most powerful bulldozer.