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The Komatsu D575A is a 1,150 horsepower (860 kW) tractor crawler produced in a 'SR' or Super Ripper bulldozer/ripper configuration, or as a dedicated bulldozer in the form of the 'SD' or Super Dozer. [1] Both models can move 90 cubic yards (69 m 3) of material per pass using the standard blade.
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 ]
Komatsu Ltd. (株式会社小松製作所, Kabushiki-gaisha Komatsu Seisakusho) or Komatsu (コマツ) (TYO: 6301) is a Japanese multinational corporation that manufactures construction, mining, forestry and military heavy equipment, as well as diesel engines and industrial equipment like press machines, lasers and thermoelectric generators.
The Caterpillar D11 can be distinguished from the Komatsu D475 by the elevated drive sprocket, or "High Drive" system, which results in a triangular, rather than oval, shaped track. The updated version of the Komatsu, the D575A , is the world's largest production bulldozer at 168 short tons (152 t) and 1,150 hp (860 kW). [ 5 ]
P&H Mining Equipment sells drilling and material handling machinery under the "P&H" trademark. The firm is an operating subsidiary of Joy Global Inc. In 2017 Joy Global Inc. was acquired by Komatsu Limited of Tokyo, Japan, and is now known as Komatsu Mining Corporation and operates as a subsidiary of Komatsu.
Longwall shearers – a material-cutting machine that moves back and forth on an armored face conveyor running parallel to the coal or other material being mined. Using carbide-tipped bits on cutting drums at each end, the shearer cuts a 1.2-meter to 6.5-meter swath of material on each pass of longwall mining and simultaneously loads the ...
It is manufactured by Komatsu Limited. It holds the Guinness World Record for Biggest Earth Mover . Designed to center-load haul trucks with capacities of up to 360 tonnes (400 short tons), the L-2350 provides an operating payload of 73 tonnes (80 short tons), a 7.03 metres (23.1 ft) lift height, and an 3.5 metres (11.5 ft) reach.
The main features of the cutting edge are: form of the cutting edge: radius or waterfall or trumpet (reverse waterfall) cutting edge angles; form and size of the chamfers; The measurement of the cutting edge is performed using a tactile instrument or an instrument using focus variation. To quantify a cutting edge the following parameters are used: