This is the second to the largest Komatsu dozer, the D475A bulldozer. Komatsu D475A: The second largest Komatsu dozer is the D475A, seen at work on Al Marwan's rental fleet in Aljada 124 metric tonnes makes it the biggest CAT bulldozer in the world. ![]() The 850 HP dozer comes with several blade types with a capacity up to 34.4 cubic meters. Al Marwan Machinery proudly owns and operates one of these earthmoving marvels, and it’s currently at work on Saudi Arabia’s NEOM mega-project. The second runner up is Caterpillar’s D11- which is the largest CAT bulldozer in production right now. CAT D11: The CAT (Caterpillar) D11 is the largest CAT Bulldozer ever made, as seen at work at NEOM, KSA Though still in production, this particular model can be found in the archival product list on Komatsu’s website, since it has only been custom built specifically for large-scale mining operations in Australia and elsewhere. Since the Acco Super Dozer was never utilized for its purpose, a lot of people consider the Komatsu D575 to be the largest bulldozer ever made. In fact, it is the largest Komatsu dozer ever built by the Japanese manufacturer. The “SD” stands for Super Dozer, and with 153 metric tonnes, it is indeed a super dozer. Courtesy of Komatsu EuropeĪt number one is the Komatsu D575A-3 SD crawler dozer. Komatsu D575A: The Komatsu D575A is the largest operating dozer in the world. Here’s a quick rundown of the top 10 biggest dozers ever made, in descending order: 1. The dozer never really operated, though, and is now merely considered a historical piece of engineering. The biggest dozer in the world is the Acco Super Dozer, at a 183 metric tonnes operating weight. Without further ado, here’s ten of the world’s biggest dozers ever made. In a nutshell, a dozer can be used on construction sites to clear land, grade for roads and infrastructure, or on quarries and mines to haul large sums of ore and earth, and originally, on farms and agricultural lands. Many manufacturers have developed iconic earthmovers that are being used today to complete prestigious projects across the world. It has a weight range usually between 18 and 100 metric tons, and it is used to clear land and material on large-scale construction and mining projects. tractor, or dozer, is a large earthmoving machine. Komatsu’s 930E-2 was dubbed by many heavy equipment enthusiasts as the “world’s largest capacity dump truck.” It enjoyed this title until 1998, when Caterpillar introduced the Cat 797.Considered the first piece of heavy equipment ever made in the twentieth century, a bulldozer- a.k.a. With such a prodigious crawler tractor included in its product line, it was only fitting that Komatsu also produce a complementary machine in 1995. Today, the 1,065 horsepower (794.2 kW) 12-cyclinder D575A is available in two updated models: the D575A-3 bullldozer/ripper and the D575A-3 SD (Super Dozer), a dedicated bulldozer. The first D575A super dozer produced went into operation at a West Virginia coal mine.Īt the mine site, the D575A helped increase the average yards per scheduled operating hour from approximately 375 yards to 750 yards, proving the decision by the mine owners to purchase the machine was the right decision for increasing production. In 1996, Komatsu added a super dozer model, the D575A-2SD, to its line of super-sized crawler tractors. Komatsu field-tested the D575A-2 from 1989 until 1991, and then began full production of the super crawler tractor. ![]() The first D575A produced at Komatsu Ltd.’s Osaka, Japan facility was the D575A-2 SR (Super Ripper) which followed an earlier prototype which never went into production because of a downturn in the economy. Size differences aside, both the D11 and the D575A are machines built specifically for the mining and quarry industry and the environments within which they operate. The D11 is only 13.4′ tall and its blade capacity is 74.9y - a difference of approximately 3″ and 15y. However, when compared to the D575A, the D11 comes in short both in height and blade capacity. The D575A’s closest contender, both in size and blade capacity, is the Caterpillar D11. The Super Dozer Blade alone weighs in at a hefty 22,000 lbs. Ground material that would take the average person approximately 720 wheelbarrow loads to move, the Komatsu 575A can effortlessly clear in one pass of its patented 90y capacity Super Dozer Blade. long - over three times the dimensions for an average car - and weighs in at close to 300,000 lbs. With a standard blade attached, it measures 24’3″‘ wide by 38.5 ft. With its gigantic size and capacity, it’s easy to understand how the Komatsu D575A crawler tractor has earned the bragging rights as “the largest operational crawler tractor in the world.”Įverything about the D575A crawler tractor is super-sized: From track bottom to cab top, it averages 16′ high, dwarfing an average-sized man by over 10′.
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