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Dana 44HD TTB or Dana 50 TTB

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Old 08-31-2012, 09:24 PM
nonrev321 nonrev321 is offline
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Dana 44HD TTB or Dana 50 TTB

Hello,

I'm going to be doing a rehab on a 1985 F-250HD 4x4 I bought recently. The engine is just about done and next I want to rebuild the front axle. From what I have been reading I either have a Dana 44HD TTB or a Dana 50 TTB. How can I tell which one I have?

Thanks in advance for any info

Rgds

nonrev
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Old 08-31-2012, 10:46 PM
1983F1503004x4 1983F1503004x4 is offline
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Going off of memory here, the 250's all had the Dana 44HD, while the 350's had the Dana 50. Someone can correct me if I'm wrong...

A Dana 44 in an F250 should have hubs just smaller than the mounting flange. If it's the same size as the flange, then it'll be a Dana 50. You should also be able to identify it with the tag on the front if it's still there.
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Old 09-01-2012, 03:42 AM
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garthneddy garthneddy is offline
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All diesel 250s and i believe the high gvwr gassers got the dana 50. The third member has a cast in number on the bottom that will tell you which axle you have by either saying 44 or 50.
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Old 09-01-2012, 07:13 AM
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I've seen plenty of diesels with the 44, and two friends of mine have smallblock F250's with the 50. One is even a light duty truck with the semi float sterling. Check here for more info;
http://www.ford-trucks.com/forums/10...tb-thread.html

D44 hubs will measure 3", while the D50 hubs are 4".
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Old 09-01-2012, 09:21 AM
nonrev321 nonrev321 is offline
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Thanks everyone, its appreciated
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Old 09-01-2012, 02:43 PM
ArdWrknTrk ArdWrknTrk is online now
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The D44 hubs taper, while the D50 hubs are the same diameter right out to the wheel locks.
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Old 09-01-2012, 08:09 PM
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Once again, all f250's came with a dana 44hd ttb, any engine.

Extended cab f250's and possibly some special order regular cab 250's came with a dana 50ttb

All f350's from 1980 thru 1985.5 came with a dana 50 ttb and after that, the f350's had the dana 60.
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