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i have a 1975ford f250 highboy i was told that it could have a dana front and rear end in it . is this true at all and if so how can you tell the difference.
Like Dave said, you have front and rear Danas.
The rear will be a D60, and if it is the same size as the front then you have a front D60, but unless you have a snow package or somthing like that(to tired to remember) you most likely have a D44HD.
If you can check the metal tags on the bolt covers and give use the numbers, we could help you out more.
Like MBBFord said line Dave said the rear will be a Dana 60 and the front will most likely br a Dana 44. Sorry MB, I had to.
Dana is just a brand name. They make a wide variety of axles as well as transfer cases and other truck parts. Their axles are also used in Chevy and Dodge trucks. What's important is the actual model of the axle (D44, D60, D70, etc). This will tell you how heavy the tubes are, how large the shafts are, the diameter of the ring gear, etc. There are also a lot of variations within each model in term of shaft size, splines, etc.
The rear is a dana 60 and the front is either a 44hd or a 60. If the hub of the front fills out the whole opening in the rim it should be a 60. If it only fills out some of the opening it is a 44hd. I have a 44hd in my 79 250, and i am in the process of rebuilding a 60 to replace it with. If you see a 44hd and a 60 next to each other you can definetly tell the difference.
3/4 ton trucks RARELY had D60's up front, particularly the pre 78 trucks. Even the earlier trucks that did come with a D60 used the closed knuckle junk D60 that is no stronger than a 44 and hard to find parts for. The only way you'll find a good D60 in a highboy is if someone swapped it in there and that doesn't happen often either.
Easiest way to tell a D44 from a D60 is to look at the top of the knuckles. D60's of that era will use a cap on the kingpin with 4 bolts in a square/rectangular pattern. If it doesn't have the 4 bolt knuckle caps it's a D44 which used either ball joints or a 3 bolt arm. Late model D60's switched to a balljoint knuckle but you can't get one of them under a highboy without extensive fabrication due to the spring perch width.
3/4 ton trucks RARELY had D60's up front, particularly the pre 78 trucks. Even the earlier trucks that did come with a D60 used the closed knuckle junk D60 that is no stronger than a 44 and hard to find parts for. The only way you'll find a good D60 in a highboy is if someone swapped it in there and that doesn't happen often either.
Easiest way to tell a D44 from a D60 is to look at the top of the knuckles. D60's of that era will use a cap on the kingpin with 4 bolts in a square/rectangular pattern. If it doesn't have the 4 bolt knuckle caps it's a D44 which used either ball joints or a 3 bolt arm. Late model D60's switched to a balljoint knuckle but you can't get one of them under a highboy without extensive fabrication due to the spring perch width.
Kingpin! Thats only the most obvious way to tell. No wonder no one else thought of it yet (myself included ).
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