Page 395 - Peterson 85 Years and Going Strong
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    Yet another Quad was working on a 750-acre in- dustrial development near Seattle, Washington for Morrison-Knudsen in 1966. M-K’s company newsmagazine, the Em-Kayan, cites the machine working on a 243-acre section with 4.5 million cu- bic yards to move—and a sense of urgency to go with it.
Top to bottom: Arborio Construction Quads on I-87 contract in Warren County, New York; Morrison-Knudsen’s publication, The Em-Kayan, featured the Quad D9s multiple times... here in October 1966 issue
By the time Buster’s Quad design hit its stride in the mid-1960s, the Interstate Program was in full swing. Contractors made ready use of their increased pushing power to maximize load cy- cle-times and up their profits. Quads were used in a variety of big dirt applications including the Or- oville Dam, San Luis Canal, SeaTac airport, and countless miles of interstate highway.
THE ANACONDA THIRTEEN
In late 1964, Caterpillar’s Arizona dealer, Empire Tractor, received a large order from the Anaconda Company, which was removing overburden from the copper mine they were developing. It was called Twin Buttes Mine, just southwest of Tuc- son. By 1967, Anaconda’s fleet numbered 154 Cat machines, including thirteen Quads. According to serial numbers on record, the Anaconda thir- teen were all 66A machines built by Caterpillar. Jack Hasten was Cat’s assistant sales manager then
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