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Caterpillar D4H LGP (Low Ground Pressure) model, Eschborn, Germany. The Caterpillar D4 track-type tractor is a small bulldozer manufactured by Caterpillar Inc.. Caterpillar first introduced the RD4 in 1936, [1] as the diesel follow on to the successful CAT 30 gas model.
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.
D5N was replaced with the D6K low drive hystat dozer, becoming the D4 in 2021; D5 D5LGP (current version) released in 2019, as a replacement for the D6N. High drive power shift dozer. The following models originated with the MHI (Mitsubishi Heavy Industries) partnership, providing smaller, low drive dozers, in the 20,000 lb range.
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A Caterpillar D6T in St. Louis The Caterpillar D6 track-type tractor is a medium bulldozer manufactured by Caterpillar Inc. with a nominal operating weight of 18 short tons (16 t). The military versions were classified as the SNL G152 medium tractor, under the G-numbers classification system used for army tractors.
Pages in category "Bulldozers with powerplants larger than 500kW" The following 5 pages are in this category, out of 5 total. This list may not reflect recent changes .
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