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Old 02-21-2010, 04:35 PM   #1 (permalink)
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Need Help Identifing Axle

Sorry if this is in the wrong place. We had a chevy truck with a sold axle swap come into the shop, when the passenger tire was removed we found the wheel bearing had exploded so we need to replace it and the seal. The problem is we dont know what this axle came from. It has 10 bolts on the front cover, 30 splines inner and 19 outer on the shot axle shaft (passenger side)we have removed, it has 8 lugs. To me it looks like a dana 44 but I'm not sure. Could anyone help so we can order the parts for this.

Last edited by 854X4; 02-21-2010 at 04:47 PM.
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Old 02-21-2010, 04:42 PM   #2 (permalink)
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Could possibly be a corprate 10 bolt, pic?
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Old 02-21-2010, 04:48 PM   #3 (permalink)
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I'm at work and not able to take a picture. I edited my above post the axle shaft has 30 splines on the inner and 19 on the outer.

Last edited by 854X4; 02-21-2010 at 04:49 PM.
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Old 02-21-2010, 04:55 PM   #4 (permalink)
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Grab a scraper and start looking for a date code somewhere on the front of the long tube - application is a lot easier to guess at when you can narrow down the approximate year.
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Old 02-21-2010, 05:11 PM   #5 (permalink)
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OK I found some numbers kind of hard because the owner painted the axle. On the top of the diff it has a 2 and under that c36585 and on the bottom of the diff it has the numbers 44-5cf
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Old 02-21-2010, 06:06 PM   #6 (permalink)
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OK I found the dates the numbers are 603455 8 and the other one is 11 74 7AE
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Old 02-21-2010, 06:11 PM   #7 (permalink)
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and on the bottom of the diff it has the numbers 44-5cf
its a dana 44
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Old 02-21-2010, 06:13 PM   #8 (permalink)
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DANA 44 FRONT
Year 1974
CHEVY Model K20 3/4 ton
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Old 02-21-2010, 06:14 PM   #9 (permalink)
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It's a 44
5 series puts it in mid 1970s
CF chevy front
11 74 means built November of '74

My guess is 1975 Chebby 3/4 ton
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Old 02-21-2010, 06:15 PM   #10 (permalink)
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Thanks now I can get the parts ordered but i have a question, How do you read the numbers? Is the 11 74 7AE read 11th month 74th year? What is the 7AE?
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Old 02-21-2010, 07:00 PM   #11 (permalink)
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Thanks now I can get the parts ordered but i have a question, How do you read the numbers? Is the 11 74 7AE read 11th month 74th year? What is the 7AE?
Aw shit! I think I may have goofed it - it might be 11/1977. Years aren't supposed to be in double digit format.

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Old 02-21-2010, 07:16 PM   #12 (permalink)
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No I think you had it right if it went like that wouldnt it be 11th month 7th day and 47th year? I looked up the bom number in a dana book and it shows 603455-8 as a 74-75 k20 3/4 ton pickup.


http://www2.dana.com/pdf/X510-8DSD.pdf

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Old 02-23-2010, 11:23 PM   #13 (permalink)
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Thanks for all your help but it turns out that the owner decided to get his own parts instead of having us order them. He went to a 4x4 shop and they gave him parts from a 76 ford (bearings, races, spindle) and they fit. I wonder why ford parts fit on a chevy axle but maybe it was modified?
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Old 02-24-2010, 12:54 AM   #14 (permalink)
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Many 44 parts interchange. Ford front hubs on a Chevy, etc.
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Old 02-24-2010, 06:36 AM   #15 (permalink)
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So you have a D44 front in your "auto repair shop" your working on and you don't know how to identify it
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Old 02-24-2010, 09:02 AM   #16 (permalink)
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..I also wonder if the bearings on the other side of the axle would be the same? (with visible bearing/race #'s) ...I also wonder if they are about to explode from consistent lack of maintenance?

Last edited by MrSammi; 02-24-2010 at 09:02 AM.
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