1974 f250 axle code

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04-12-2023 | 09:31 PM

Wyathall

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1974 f250 axle code

I have a 2wd 1974 f250 and a the metal information tag on the door, the axle code is 38J and from what I have found that diff is 3.08 gear ratio and that didn't come out till 1975. Could please someone tell me what differential I have.

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04-12-2023 | 09:38 PM

dlburch

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From: Kansas

38 appears to be a '73-'75 3.73 Dana 60...

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04-13-2023 | 02:52 AM

NumberDummy

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From: Simi Valley, CA

Quote:

Originally Posted by dlburch

38 appears to be a '73-'75 3.73 Dana 60...

38 is either 1973/74 or 1975/79: Dana 60 / 3.73-1 / 5,300 lbs. Rear Axle Capacity

J = Power Steering

info source: 1973/79 Ford 100/500 series Truck Parts Catalog - Rear Axle Ratio Codes - Text - General Info Section - Page 61

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