Axle ID?
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Freshman User
Joined: Feb 2003
Posts: 39
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From: Wellington, CO
Axle ID?
The rear gears in my '77 are trashed and I need to get them repaired. I am trying to figure out what type axle and gears I have so I can order a new ring gear and pinion.
Could someone help me ID them from the differential tag.
This is what the rear tag is stamped
3.54 D7TA AFA
603717-3
also, for my future reference,
This is what the front tag is stamped
3.54 D7TA AKA
603783-7
Could someone help me ID them from the differential tag.
This is what the rear tag is stamped
3.54 D7TA AFA
603717-3
also, for my future reference,
This is what the front tag is stamped
3.54 D7TA AKA
603783-7
Thread Starter
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Freshman User
Joined: Feb 2003
Posts: 39
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From: Wellington, CO
I actually figured the 3.54 out. My problem is identifying the rear end type. I don't know whether it is a Dana 44, 60, 70..... The truck is a F-250 so I'm pretty sure it is not a Dana 44. Is the only solution to actually pull the cover and measure the ring gear size.
Junior User
Joined: Jul 2004
Posts: 99
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From: Central Illinois
I'm not real familiar on the differences of the Danas but from reading these forums the 44 is up front and the 60/70 is a rear. Now what I've done in the past is count the bolts in the dif cover and look at the shape and match it to the corresponding gasket pictured in a parts catalog. Hope this helps
Laughing Gas
Joined: Aug 2004
Posts: 1,138
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From: Yuba City, Ca
more than likely it's gonna be a Dana 44 up front and Dana 60 out back that was a very popular combonation in that time. Hope this helps. i got a 78 f-250 ranger explorer 4x4 and thats what i got on mine and a few freinds have that as stock.
1978F-250 Ranger Explorer 4x4
351M, C6, NP205, D44 Front, D60 Rear
1978F-250 Ranger Explorer 4x4
351M, C6, NP205, D44 Front, D60 Rear
Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
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Freshman User
Joined: Feb 2003
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From: Wellington, CO
It does look like the rear. I know that it has a full floating rear but did not know if that was available with a DANA 44.
I did not measure to see if the bolts were the same spacing as the rear but the pattern and shape looked the same.
I wish I could look at it right now, but I am going on what I remember from last night!
I did not measure to see if the bolts were the same spacing as the rear but the pattern and shape looked the same.
I wish I could look at it right now, but I am going on what I remember from last night!
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Laughing Gas
Joined: Aug 2004
Posts: 1,138
Likes: 0
From: Yuba City, Ca
The Rearend stock in 73-79 were the following:
FRONT: D44, D60
REAR: D44, D60, D61, Ford 9"
the d44 was a 10 bolt with 8-1/2" Ring Gear
the d60 was a 10 bolt with 9-3/4" Ring Gear the rear cover part number is 45-1767
the d61 was a 10 bolt with 9-3/4" Ring Gear the rear cover part number is 45-1766
the Ford 9" was a 10 bolt it a a round cover and is very different from the Dana Axel
FRONT: D44, D60
REAR: D44, D60, D61, Ford 9"
the d44 was a 10 bolt with 8-1/2" Ring Gear
the d60 was a 10 bolt with 9-3/4" Ring Gear the rear cover part number is 45-1767
the d61 was a 10 bolt with 9-3/4" Ring Gear the rear cover part number is 45-1766
the Ford 9" was a 10 bolt it a a round cover and is very different from the Dana Axel
Laughing Gas
Joined: Aug 2004
Posts: 1,138
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From: Yuba City, Ca
The Dana 44 REAR & Ford 9" were only available with the F-100/F-150
The Dana 60 and Dana 61 REAR was only available with the F-250
My book doesn't say anything about F-350's of that era for some reason
D44 rear came in these ratios: 3.07, 3.54, 4.09
D60 rear came in these ratios: 3.54, 3.73, 4.10, 4.56
Ford 9" came in these ratios: 3.00, 3.25, 3.50, 3.70, 4.11
hope this all helps
The Dana 60 and Dana 61 REAR was only available with the F-250
My book doesn't say anything about F-350's of that era for some reason
D44 rear came in these ratios: 3.07, 3.54, 4.09
D60 rear came in these ratios: 3.54, 3.73, 4.10, 4.56
Ford 9" came in these ratios: 3.00, 3.25, 3.50, 3.70, 4.11
hope this all helps
