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In 1968, Caterpillar bought the rights to this concept, thus the 770 hp (570 kW) DD9G was created (DD stands for Dual D9G). [1] Peterson also built the first SxS D9G, which has two D9Gs side-by-side, pushing a 24-foot (7.3 m)-wide bulldozer blade. In 1969, Caterpillar introduced this new SxS D9G.
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 ...
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 ...