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Double D9

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Bob

02-15-2001 14:51:51




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Thought maybe you guys might be interested in some info on a Cat Double D9. My father-inlaw used to work for Peabody Coal's Broken Arrow mine in Coshocton OH. He was the first to run it for Peabody and thinks it was the first one they built. He is not sure if they built any others. As soon as he digs out the pic's I will post them. If I can figure out how.




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Virgil

02-15-2001 21:41:02




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 Re: Double D9 in reply to Bob, 02-15-2001 14:51:51  
Bob,
Hope you are able to post pictures of these Cats. Would enjoy seeing pics of them again, would like to have seen one in person. From talking to other people in the area, only the better of the best were allowed to run them. This speaks highly of your father-in-law's experience and abilities!



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Virgil Ruhlman

02-15-2001 21:26:31




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 Re: Double D9 in reply to Bob, 02-15-2001 14:51:51  
Hello Bob, A number of Double 9'S were used in the strip mines of Clarion County, Pennsylvania. We were drilling around Curlsville a few years back, when Dick McCall brought out a big picture to the rig for us to see. He had run the first ones in that area and I believe that they came from Beckwith Cat. He operated a number of them and worked out a lot of bugs. Only drawback, breaking down in the middle of the night, when cold, and having to clean the tracks by yourself, before freezing up solid. I don't know if any still exist, what a hunk of iron! Alot of them were replaced by HD-41's from what I gathered.

Virgil

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greg

03-14-2001 16:29:02




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 Re: Re: Double D9 in reply to Virgil Ruhlman, 02-15-2001 21:26:31  
I assume you are talking about 2-D9 tractors hooked nose to tail, operated by one operator. Those tractors were used frequently here in western NY on route 17 (now 86) construction. My father kept a number of these things running (along with much other equip) on this project, used them for mass excavation as well as push cats for push loading scrapers. Common name for these machines as I recall was "Quad-9". Reasons for demise? 1) Expensive to run. 2) Set up and teardown for transport. 3) Many grade foremen were killed as the operator could not see a person standing behind the machine, and with the activity on a busy cut or fill operation the grade foremen seldom could hear one coming until it was too late. Otherwise an awesome machine.

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Virgil

03-22-2001 10:26:29




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 Re: Re: Re: Double D9 in reply to greg, 03-14-2001 16:29:02  
Greg,
The picture I saw years ago was of a side by side D9's, coupled together with a common 24 foot blade. They were used for stripping coal in western Pa. I've never seen the nose to tail arrangement, interesting! Virgil



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