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#1
30-04-04, 13:56
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Thornton-Welles locking differential
While sitting here and reading through my Ford Gun Tractor parts book (Hey, Keefy, that's one thing that didn't leave Lithgow in the middle of the night!
 ), I came across an interesting item: C11Q-4299 Thornton-Welles Automatic Locking Differential (Optional, when specified). Which vehicles specified these locking diffs? How many were put into service? Are there any diagrams or repair manuals for these? More importantly, what does "Optional" mean? Does this mean that a Field Battery purchasing Major could stroll into a Ford dealer and ask for an FGT with metallic paint, air con, 8 speaker stereo and a Thornton-Welles locking diff? 
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#2
03-08-16, 13:35
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Revival
Funny thing Tony, I have just done exactly what you did.
Then proceeded to Google and it directed me to this thread. Which appears to have no replies. Thought I'd dig it up again - hopefully for a response. Anyone know anything about the Locking Diff??
__________________
Pax Vobiscum.......may you eat three meals a day & have regular bowel movements.
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#3
03-08-16, 18:28
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Or any wartime designs of locking differentials, either Manual or Automatic?
I understand the Thornton locking differential was also used in the International Harvester M-5H-6 for the US Marines.
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#4
04-08-16, 06:25
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This link could be worth a look.
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#5
04-08-16, 06:48
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I am not sure where these 3 photos came from but these are photos of the Thornton-Welles conversion which converted 2 & 4 wheel drive trucks to 6X4 and 6X6 versions.
Hope this helps Just noticed the photos are labelled as Welles-Thornton not Thornton-Welles
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Cheers Cliff Hutchings aka MrRoo S.I.R. "and on the 8th day he made trucks so that man, made on the 7th day, had shelter when woman threw him out for the night" MrRoo says "TRUCKS ROOLE" 
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#6
04-08-16, 06:52
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Photos came from
http://www.warfare.altervista.org/Ma...truck_cdn.html where there are other photos and information as well
__________________
Cheers Cliff Hutchings aka MrRoo S.I.R. "and on the 8th day he made trucks so that man, made on the 7th day, had shelter when woman threw him out for the night" MrRoo says "TRUCKS ROOLE"
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