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Thread: Cat DW20 with doubles

  1. #1
    Join Date
    Nov 2006
    Location
    California
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    82

    Default Cat DW20 with doubles

    An old friend of mine and I were talking about some pictures he had.It was his wife and daughter standing by a DW20.He told me it was the first doubles pulled by a rubber rig.He said they were built special for a job by Rodeo and Crockett,Ca.Has anyone seen or heard of a DW20 pulling two cable scrappers?
    In the picture it looks like a cable unit in the front of the tractor.
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2006
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    Napa Valley - Newville CA
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    848

    Default

    You can see plan the 2 levers to right of seat that go to 2 spool unit in the front and you can see the standard 2 spool unit in the back. I bet you didnt make any turns or sudden grade changes when loading the front scraper or the push Cat would shove it all up in a pile

  3. #3
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    Nov 2006
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    California
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    Default

    That's exactly what Murl said Willie

  4. #4
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    Nov 2007
    Location
    NW Ohio
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    840

    Default Scraper

    Something Buster Peterson made? He designed the DD9 and I think the 660 scraper along with some other machines.

  5. #5
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    Nov 2006
    Location
    California
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    Default

    Here is another set of doubles Murl operated, a Euclid TTSS40.Made especially for the California Aqueduct.3 GM V16's.Total of 1,740 HP.Picture from Euclid book.The bigger the equipment and project,the more he liked it.
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  6. #6
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    Dec 2006
    Location
    Kenosha, WI
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    57

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    Western Construction was the contractor that had Euc TTSS-40's I believe. The double DW-20 is a new one on me. I know Granate did some DW-20 mods but I think that was side boards and such...

  7. #7
    Join Date
    Apr 2008
    Location
    Nor Cal
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    18

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    The DW 20 picture appears to have been used on the largest (in the country, world ?) road cut at the time to connect I80 with the the new bridge span across the Carquinez Straits in about 1958. The photo looks to have been taken about where the Cummings Skyway overpass is now between Crockett and Rodeo. Old-timers in Crockett say the cut changed their weather.

  8. #8
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    Nov 2006
    Location
    California
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    Yellow Fever,Murl believed it was 1956,or so.He told me the Company doing the job lost around 2 million on it.Hard to believe.He also said more dirt was moved than the Panama Canal,also hard to believe.He said he found a video of the DW20 and the doubles with him on it and put in the mail for me.I have the one of him on the TTSS40 working on the California Aqueduct

  9. #9
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    Nov 2006
    Location
    California
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    I just talked to Murl,he said the outfit that set up the DW20 was Ferry and Crowe.

    http://www.petersonholding.com/history_BigCut.php
    Last edited by gary in CA; 01-26-2011 at 07:50 PM.

  10. #10
    Join Date
    Nov 2006
    Location
    Colorado
    Posts
    452

    Default "Babe" Crow's Tandems.

    Quote Originally Posted by gary in CA View Post
    I just talked to Murl,he said the outfit that set up the DW20 was Ferry and Crowe.
    Well you have that right. It was a joint venture of Ferry Bros., John M. Ferry, Peter L. Ferry & Son, and L.A. “Babe” and R.S. Crow, all of Glendale.

    As mentioned the tandems of the job were standard DW20 tractor and scraper assembled with the LeTourneau RU scraper attached behind. As mentioned also, to operator the second scraper, an additional power takeoff was mounted on the front of the DW20 tractor. With this assembly, 40 yards could be hauled at one time. Check Here! Babe used this type of hook-up years before on another job.
    I would have hated to string that cable up.
    Kelly
    Last edited by Kelly; 01-27-2011 at 03:19 AM.
    Old Caterpillar Watch Fob.

    Without history, a society shares no common memory of where it has been, of what its core values are, or what decisions in the past account for the present circumstances.

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