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Komatsu first showed a 1,000 horsepower (750 kW) bulldozer prototype, the D555A, to the public at the Conexpo equipment exhibition in Houston, Texas in 1981. Due to economic conditions at the time, development was stalled for much of the 1980s.
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 equipment, as well as diesel engines and industrial equipment like press machines, lasers and thermoelectric generators.
The Komatsu PC200-8 Hybrid is a hydraulic excavator manufactured by Komatsu Limited.It is the world's first hybrid (electro-hydraulic) powered construction equipment. [1] At the time of its launch it was found to consume 25% less fuel than comparable non-hybrid excavators and up to 40% less fuel while carrying out certain functions. [2]
The workgroup of a compact hydraulic excavator consists of the boom, dipper or arm, and attachment (e.g. auger, bucket or breaker). It is connected to the front of the excavator's house structure via a swing frame that allows the workgroup to be hydraulically pivoted left or right to achieve offset digging for trenching parallel with the tracks.
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.
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 Limited and Dresser Industries established Komatsu Dresser to make mining tractors, construction equipment and related equipment. [15] This 50-50 ownership lasted from September 1988 to August 1994, when Komatsu bought out Dresser's share. [15] By 1993, it generated sales of more than US$4 billion, and employed 31,800 people in fifty ...
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] A bigger machine, the Acco super bulldozer , was built by Italian firm ACCO, with twin Caterpillar diesel engines giving a combined power of 1,300 hp (970 kW), and weighing 183 short tons (166 t), in ...