Rear End Serial #?
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Tuned
Joined: Feb 2017
Posts: 467
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From: Austin, TX
Rear End Serial #?
Can anyone confirm what rear end this is based on serial #?
Looks to me like BB-4193-B (or maybe D)?
Having difficulty uploading pics today but just want to gain some more knowledge on what I've got.
Thanks
Looks to me like BB-4193-B (or maybe D)?
Having difficulty uploading pics today but just want to gain some more knowledge on what I've got.
Thanks
FTE Chapter Leader
Joined: Dec 2001
Posts: 3,636
Likes: 11
From: Crossville, Tn
That is not a serial number, it is a part number. Where is that number stamped, a picture would help a lot. Also, are you sure that it is 4193 because I don't see that part number in any rear ends of that era.
FTE Chapter Leader
Joined: Dec 2001
Posts: 3,636
Likes: 11
From: Crossville, Tn
Can you post a picture of the entire rearend, like I said that I can't find that number related to any of the 48-52 rears.
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Cargo Master
Joined: Aug 2014
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From: North Central Arkansas
That is the housing part number for the housing half without the pinion, drivers side, Timken/Ford axle F4-F5. The gear ratio is stamped on that housing between the two parallel ribs facing backward. It will have numbers like 6-35 (5.83 ratio) or 6-40 (6.67 ratio) stamped there. There is also a 5.14 ratio, but I don't remember the ring and pinion numbers.
Mark
Mark
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Brett Foote
FTE Chapter Leader
Joined: Dec 2001
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From: Crossville, Tn
That is the housing part number for the housing half without the pinion, drivers side, Timken/Ford axle F4-F5. The gear ratio is stamped on that housing between the two parallel ribs facing backward. It will have numbers like 6-35 (5.83 ratio) or 6-40 (6.67 ratio) stamped there. There is also a 5.14 ratio, but I don't remember the ring and pinion numbers.
Mark
Mark
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
That is the housing part number for the housing half without the pinion, drivers side, Timken/Ford axle F4-F5. The gear ratio is stamped on that housing between the two parallel ribs facing backward. It will have numbers like 6-35 (5.83 ratio) or 6-40 (6.67 ratio) stamped there. There is also a 5.14 ratio, but I don't remember the ring and pinion numbers.
Mark
Mark
Several hours ago, I looked at every rear axle parts list in the 1948/56 truck catalog, there's no such part number as BB-4193-B
In fact, there no basic part number of 4193 either.
Casting numbers are foundry marks, cannot be cross referenced to Ford part numbers.
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
Parts list #73 = Timken model 53566: 1948/50 F4/F5; F5 Parcel Delivery & COE
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
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From: Simi Valley, CA
See pic in post #12 for BB rear axle part numbers.
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