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Triangle Stamping
Topic Started: Aug 17 2013, 05:20 PM (570 Views)
derekredmond
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I still don't know what the numbers stamped in a triangle mean. Anybody have any new information?

See photos at http://www.film.queensu.ca/CJ3B/SerialNos/...alNosFrame.html

Derek

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Derek Redmond
Kingston, Canada
1959 CJ-3B
http://CJ3B.info/About.html
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oldtime
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My 1953 frame is not "triangle" stamped.
My 1959 frame is triangle stamped 7 - D - 2
My 1962 frame is triangle stamped 9 - D - 12

I have an idea but not enough examples to verify the exact meaning at this time.
If others will post the year of their CJ-3B and indicate any evidence of a triangle stamping on their CJ-3B and we can likely conclude.

Enter your country, the jeep model, any evidence of triangle stamping.
The serial plate number may also be helpfull.
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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jking
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1958 3B

serial number 57348 47330
frame 47330
frame triangle 5 D 16

Born and raised in Toledo Ohio, USA.
1958 CJ3B F134 engine\Dana 25 with Spicer type axles\Dana 44 rear\T90 trans\Dana 18 transfer case.

Northest Ohio
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Lawrence
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Lawrence
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Ken,

Year 1955 CJ3B

Serial# 57348 18439

Frame# 18439

Frame Triangle # 2 D 11

Engine # 4J92830

Location Decatur, Alabama

(Purchased new in Birmingham, Alabama)

Lawrence

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1955 CJ3B
Family Tradition
Decatur, AL
~~"Seen it all, done it all, can't remember most of it"~~
~~"We cannot direct the winds but we can adjust our sails"~~
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Dom
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I took this photo of the triangle numbers during my rebuild.

1958 right hand drive CJ3B delivered to Australia, S/N 57348 44479L

Triangle numbers are 12 - D - 9

My thoughts were the values would all work as calendar dates - eg mine would be Dec 9.

The other values posted thus far would all also work this way as well I think.

The D? Who knows - maybe an assembly line or plant, or a version/evolution of the frame?

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Melbourne, Australia
1942 Willys MB
1945 Ford GPW
1958 Willys CJ3B
1984 Jeep CJ7
1985 Jeep CJ8 World Cab
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oldtime
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Here's my current thinking.
Unlike some earlier CJ frames I believe the triangle stamped frames were assembled at the Willys plant.
I believe the first and last digits will represent the month and the day of the frame assembly.
From over a dozen examples; I have seen no first digits any higher than 12 and no last digits higher than 31.

The uppermost stamping ?
I thought the "D" possibly meant Domestic but thanks to Dom's reply concerning his exported jeep that remains in serious doubt at this time.
A few examples are stamped "547" in lieu of the "D" stamping.
Perhaps that upper stamping indicates the particular plant where the frame was assembled ?
Currently building my final F-134 powered 3B .
Rock Crawler using factory parts from the Willys Motors era (1953-1963)

http://s4.zetaboards.com/CJ3B_Bulletin_Board/topic/30228766/1/#new
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