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The D575A-2 SD Super Dozer was the second version of the D575A, going into production alongside the D575A-2 SR Super Ripper beginning in 1995. [3] The D575A-2 SD Super Dozer is an 1,150 horsepower (860 kW), 143,300 kilograms (315,900 lb) dedicated dozer with no ripper. The D575A-2 SD Super Dozer was superseded by the D575A-3 SD Super Dozer.
The Komatsu D475A is the second largest bulldozer in the Komatsu line after the D575A, the world's largest production bulldozer. [1] The current version is the 248,240 pounds (112,600 kg), 899 horsepower (670 kW) D475A-8 Tier 4. [2]
The D11R now weighed 230,935 lb (104,750 kg). The Carrydozer version has a special blade with a curvature that allowed 57 cy ( 43.6 m³) to be pushed. This blade design was introduced by Komatsu on their D575 A-2 dozers in 1995 as the Superdozer version. The deeper curvature of the Carrydozer/Superdozer blades literally carry the dirt moved ...
The D7R Series II at 240 hp (180 kW) power and an operating weight of around 20 tons, is in the middle of Caterpillar's track-type tractors, which range in size from the D3 77 hp (57 kW), 8 short tons (7.3 t), to the D11 935 hp (697 kW), 124 short tons (112 t). It is primarily used to move material short distances or through challenging terrain.
Caterpillar Inc. does not manufacture a military version of the D9 per se, but the attributes that make the D9 popular for major construction projects make it desirable for military applications, as well, and with Israeli modifications and armor, it has been particularly effective for the Israel Defense Forces [3] and also used by KBR [citation needed] in Iraq.
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).
1935: RD8 (132 hp [98 kW]) introduced. 1937: The "R" prefix dropped, D8 debuts. 1940s: D8 2U Series (148 hp [110 kW]) introduced; 1950: D8 new front-rounded grill that would last until D8K was replaced by D8L in 1982.
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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