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More ACF-built D7 info

More ACF-built D7 info

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Kurt Bangert
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An additional note on the ACF Cats - i have asked him to share photos:

"FYI. The original Ordnance Department PO was for 8400 D7. We have a ACF factory photo of one with a sign “10,000th”. We found correspondence in the ACF Archives at the University of Missouri -St Louis that indicate over 21,000. I do not currently have s copy of that document. There is also correspondence in the UM-SL archives that indicate Caterpillar was not happy with this arrangement and would not allow ACF to take photos of the Caterpillar D7 being built in the ACF factory. We do have ACF factory photos of the D7s in the ACF yard.  Also, a few years back I contacted the Caterpillar Corporate Curator. She confirmed they were aware that ACF built “some” D7 but Caterpillar did not track the serial numbers because those tractors were not “theirs” (Caterpillar’s)."
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Wed, Jan 18, 2023 1:51 AM
Kurt Bangert
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[attachment=70736]Page 49.jpg[/attachment][attachment=70737]Page 50.jpg[/attachment][attachment=70738]Page 52.jpg[/attachment][attachment=70739]Page 53.jpg[/attachment][attachment=70740]Page 51.jpg[/attachment]
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Wed, Jan 18, 2023 2:06 AM
gauntjoh
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Reply to Kurt Bangert:
[attachment=70736]Page 49.jpg[/attachment][attachment=70737]Page 50.jpg[/attachment][attachment=70738]Page 52.jpg[/attachment][attachment=70739]Page 53.jpg[/attachment][attachment=70740]Page 51.jpg[/attachment]
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Great article. It’s a pity though the last picture is (I think) an IH TD18 not a D7.
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Wed, Jan 18, 2023 2:12 AM
Deebo
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Reply to gauntjoh:
Great article. It’s a pity though the last picture is (I think) an IH TD18 not a D7.
Interesting Kurt, what publication did that article appear in, out of interest?

Regards,

Tony
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Wed, Jan 18, 2023 2:29 AM
bruce oz
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Reply to Deebo:
Interesting Kurt, what publication did that article appear in, out of interest?

Regards,

Tony
ACF factory . would the D7 just be bare caterpillar D7 and opions fitted to the tractor by ACF factory ,tractor not built by ACF factory .
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Wed, Jan 18, 2023 3:32 AM
D4Jim
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Reply to bruce oz:
ACF factory . would the D7 just be bare caterpillar D7 and opions fitted to the tractor by ACF factory ,tractor not built by ACF factory .
[quote="bruce oz post=244689 userid=656"]ACF factory . would the D7 just be bare caterpillar D7 and opions fitted to the tractor by ACF factory ,tractor not built by ACF factory .

The latest book by David Doyle mentions that Cat supplied the engines and other key components for ACF to build the tractors.  Whatever Key components means!!  I don't know for sure but I imagine the winches and blades were purchased separately and added to the tractors.

 [/quote]

Cats Forever

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Wed, Jan 18, 2023 3:39 AM
Kurt Bangert
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From the Stuart Tank Museum, more to come - look in the historical photo thread
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Wed, Jan 18, 2023 4:03 AM
Deas Plant.
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Reply to Kurt Bangert:
From the Stuart Tank Museum, more to come - look in the historical photo thread
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Hi, Kurt.
It is my understanding that Cat did not start building blades, CCUs, etc., until after the war 'cos LeTourneau had started building his self-propelled scrapers in 1938 and Cat could not see the point of having his products in competition with their own through their shared marketing deal. It appears that wartime production prevented them from getting started on their 'roll-yer-own' attachmenst program but they got started pretty quick after the war ended - 1946, I think.

https://www.oemoffhighway.com/trends/article/22005313/historical-construction-equipment-association-hcea-the-first-true-motor-scraper

Hi, bruce oz.
I think Cat probably supplied the engines and drive train and left ACF to build the rest.

Hi, John Gaunt.
That last photo IS of an IH TD18 complete with the full width seat which I think was a U.S. Marines specification.

Just my 0.02.

You have a wonderful day. Best wishes. Deas Plant.

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Wed, Jan 18, 2023 4:58 AM
Ray54
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Reply to Deas Plant.:
Hi, Kurt.
It is my understanding that Cat did not start building blades, CCUs, etc., until after the war 'cos LeTourneau had started building his self-propelled scrapers in 1938 and Cat could not see the point of having his products in competition with their own through their shared marketing deal. It appears that wartime production prevented them from getting started on their 'roll-yer-own' attachmenst program but they got started pretty quick after the war ended - 1946, I think.

https://www.oemoffhighway.com/trends/article/22005313/historical-construction-equipment-association-hcea-the-first-true-motor-scraper

Hi, bruce oz.
I think Cat probably supplied the engines and drive train and left ACF to build the rest.

Hi, John Gaunt.
That last photo IS of an IH TD18 complete with the full width seat which I think was a U.S. Marines specification.

Just my 0.02.
Seeing the IH TD 18 in the last picture had me wondering if anyone knew if IH or AC had other companies build tractors/dozer for the war effort as Cat did.
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Thu, Jan 19, 2023 12:08 AM
Deebo
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Reply to Ray54:
Seeing the IH TD 18 in the last picture had me wondering if anyone knew if IH or AC had other companies build tractors/dozer for the war effort as Cat did.
[quote="Ray54 post=244714 userid=2055"]Seeing the IH TD 18 in the last picture had me wondering if anyone knew if IH or AC had other companies build tractors/dozer for the war effort as Cat did.
 [/quote]
I wondered that too!
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Thu, Jan 19, 2023 12:41 AM
trainzkid88
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Reply to Deebo:
[quote="Ray54 post=244714 userid=2055"]Seeing the IH TD 18 in the last picture had me wondering if anyone knew if IH or AC had other companies build tractors/dozer for the war effort as Cat did.
 [/quote]
I wondered that too!
there was a lot of shared production during ww2 the jeeps and blitzs where made by both ford and chevrolet. ford made a lot of aircraft and historically ford had built some of the early american commercial aircraft before the likes of douglas and lockeed existed. america made a profit out of ww2 and they made money out of korea and vietnam to some degree too.
without the car industry and the engineering and manufacturing capabilities it provided the second world war would have ended very differently.

"i reject your reality and substitute my own" - adam savage. i suspect my final words maybe "well shit, that didnt work"

instead of perfection some times we just have to accept practicality

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Fri, Jan 20, 2023 4:40 PM
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