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help ID'ing '77 F100 Differential

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Old Mar 6, 2004 | 11:20 AM
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help ID'ing '77 F100 Differential

I'm having a devil of a time identifying the rear end on my 1977 (302) F100 pickup, and I'd appreciate any help. Here's what I have found on the rear end:

tag on the differential:

3071 D7TA-4001-B2F
1004005 Argentina

numbers cast into diff. housing:

70ZNAT
580

numbers stamped on the axle: 714833

This is driving me crazy - I need to do some work on this rear end, so I need to know what I've got to order the correct parts.

Any help will be greatly appreciated
 
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Old Mar 6, 2004 | 03:17 PM
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Both 9" and Dana 44 were available in the F100. Dana 44 has bolt on rear cover. 9" has removable carrier that bolts in from front of axle.
 
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Old Mar 8, 2004 | 02:26 PM
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Were Argentinian assembled rear end common for the F100 in 1977 ??
 
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