Komatsu dozer for mining, heavy construction

Kerry Clines

October 1, 2009

RO51-KomatsuKomatsu America Corp. says its new D375A-6 crawler dozer for use in mining and heavy construction was designed following customer input and feedback, and includes technological enhancements for increased productivity. The dozer is powered by a Komatsu SAA6D170E-5 engine with an operating weight of 157,940 pounds.

According to the company, new features and upgrades include:

  • A net engine output increase to 636 horsepower at 1,800 revolutions per minute while meeting all EPA Tier 3 emissions requirements, yet a reduction in fuel consumption due to the automatic transmission with lockup torque converter.
  • An updated Full-U 28.8-cubic-yard blade for increased production without increasing blade width or reducing digging force; an overall dozing capacity increase without compromising visibility and balance.
  • A large multi-lingual user-friendly LCD color multi-monitor to allow the operator to perform work efficiently and accurately; the use of TFT (thin film transistor) for great visibility from various angles and in various lighting conditions; meters, gauges, and warning functions centrally arranged for simple start-up, inspection, and prompt warning of any abnormalities.
  • An easy-to-read “eco gauge” on the right side of the multi-monitor screen so the operator can keep the gauge in the green zone for energy-saving operation.
  • Sixteen new, standard mining specifications that include high-mounted headlights, battery, and starter isolator box; centralized grease points; manual engine stop switches; and more. Optional mining specifications include right- and left-hand platforms with handrails and HID work lights.
  • A variable piston pump that replaces the previous tandem gear pump for efficiency and reliability.

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