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Differential Identification
#1
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jimw
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Attached are pictures of a Packard differential for identification. It is stamped with part #140436 and has 61 teeth in the ring gear and 12 in the pinion gear. The ring gear is approximately 12-1/8" in diameter and the housing is about 13" in diameter. Can't find it in my parts book.

Attach file:



jpg  IMG_5431.JPG (132.95 KB)
1238_64fa442f3ab6f.jpg 1920X1440 px

jpg  IMG_5429.JPG (156.10 KB)
1238_64fa444bb0226.jpg 1920X1440 px

Posted on: 2023/9/7 16:44
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Re: Differential Identification
#2
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flackmaster
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5.08's....yikes! top speed probably like 40mph!

If you look in the 33-36 parts book there is one listing for 5.08's. I can delve into older books in my library...but the whole differential I will not swear to..not my era.

Posted on: 2023/9/7 20:09
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Re: Differential Identification
#3
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TxGoat
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What is the outside diameter of the tires used with that gearset? Large diameter tires will offset the effects of the slow gearing.
I used to drive a 1950 Ford F-3 with a 5.86 axle. It would fly down the interstate at 80+ with no problem. It had 17" rims and I ran old school 7.50 X 17 mud cleat tires that stood 33" tall.

Posted on: 2023/9/8 10:59
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