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what front axel do i have?

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Old Sep 10, 2006 | 03:55 PM
  #1  
Psyte's Avatar
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what front axel do i have?

i have a 86 F-250 XL 4x4 with manual locking hubs and some wierd scissor style independent front suspension with leaf springs. ive been reading up and it seems that i either have a TTB dana 44 or 50. how can i tell wich one i have? and what does TTB stand for? i need new tie rods and the parts guy has around 4 different styles for this year and model. pls reply quickly because i need this fixed before monday so i can get to work.
 
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Old Sep 10, 2006 | 04:16 PM
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TTB, twin traction beams! everyone wants to call it independent front susepension or twin I-beam, but that is not correct

if it is still stock (i am assuming it is) then anything over 8500GVWR has a D50.

i only see one size part for your truck on the napa website. i dont know what to tell you to look for on the hurry. if i could see it i could tell you

i'll see if i can find anything else that might help

-cutts-
 

Last edited by fishmanndotcom; Sep 10, 2006 at 04:18 PM.
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Old Sep 10, 2006 | 04:20 PM
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TTB stands for Twin Traction Beam, most of them were the D44, but the F250HD has the D50, there should be a tag on the axle. and the cover on a D50 is bigger like the D60 axle bolt pattern
 
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Old Sep 10, 2006 | 05:32 PM
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also, the easiest way to tell the difference between a D44 and a D50 is the hubs. the 44's are small, and the 50's use the larger D60 hubs.
 
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Old Sep 11, 2006 | 09:00 AM
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anyone have any pics of a D44, D50 or D60? i dont really have anything to compare mine to and im not quite sure what the others look like. some rough measurements of the hub would probly good enough if pics arent available. is there less hex screws on the D44 hub than the D50 mabey?
 
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Old Sep 11, 2006 | 09:44 AM
  #6  
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this is a pic of a D50-D60 hub from my 88
http://i41.photobucket.com/albums/e261/tjctransport/d50-60hub.jpg
and this is from the 79 D44
http://i41.photobucket.com/albums/e2...ort/d44hub.jpg

unfortunately, i am temporarily incapacitated due to a broken foot, so it will be a few days before i can get a pic of the 89 with the D44 front end for you so you can see the difference.
 

Last edited by tjc transport; Sep 11, 2006 at 09:47 AM.
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