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The scoop on hydraulic excavators

Published Sunday, July 01, 2001

Hydraulic excavators are becoming more automated and easier to operate. Case is calling its excavators “thinking machines” because the company claims it practically runs itself. Read on to discover the latest in hydraulic excavators. Komatsu America International introduced changes to its PC400LC-6 and PC400HD-6 hydraulic excavators to meet Tier II emissions standards. The 99,000-lb HD-6 models are powered by the 306-hp Komatsu SA6D125E-2 engine with the addition of an air aftercooler, new radiator, oil cooler and AC filter components. These models have a versatile 4-cu-yd capacity bucket, an arm crowd force to 57,760 lb and a bucket digging ...

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