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Old 09-06-2010, 06:38 PM   #1
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help id my axles!

if needed i will post pics. but here is all of the info/#s

BOTH FRONT AND BACK HAVE TAGS ON THE LEFT SIDE. FROM WHAT IVE READ ONLINE, THESE ARE RATIO TAGS. IF YOU NEED THESE NUMBERS ASWELL, LET ME KNOW.

2002 jeep wrangler, 4.0 sport.

FRONT AXLE DIFF. COV. SAYS:

dana
40869 1
093-1
REV-S
110895

TOP RIGHT WEB SAYS: 46168
BOTTOM WEB SAYS: 5


REAR DIFF. COV. SAYS:

dana
42960-1
249-0
REV-X
03 20 00

BOTTOM LEFT WEB SAYS:

B
48177


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Old 09-06-2010, 06:39 PM   #2
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I've got no idea what those mean but....



Find your axle and win a prize!!

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Old 09-06-2010, 06:47 PM   #3
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If your Jeep is stock you have a Dana 30 front and either a Dana 35 or Dana 44 rear...if the plug on the rear axle is rubber, it's a 35. If it's metal, it's a 44.
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Old 09-06-2010, 07:03 PM   #4
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Hey thanks a bunch, im gonna go with front: Dana 30 and rear: Dana 44

thanks again guys!
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Old 09-06-2010, 07:15 PM   #5
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So ive got stock dana30 up front and stock dana 44 in the rear, im running 33x12.5

I do a lot of highway driving, and some medium rockcrawling/off roading. Im looking to replace the ring and pinions and am new to this... what would be the best gearing for me?
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Old 09-06-2010, 07:20 PM   #6
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What transmission do you have?
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Old 09-06-2010, 07:35 PM   #7
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auto, not sure of particulars
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Old 09-07-2010, 06:04 PM   #8
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What ratios do you currently have? There have been numerous write ups on this forum listing the particulars of both auto and manual transmissions. Have you tried to Google 2002 Jeep specs?
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Old 09-07-2010, 07:39 PM   #9
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What ratios do you currently have? There have been numerous write ups on this forum listing the particulars of both auto and manual transmissions. Have you tried to Google 2002 Jeep specs?
yes i have, im not a total dip sheit!, why is it that this is the response to everyones question on every fourm? People typically do try to search for there answers before asking..... It was suggested to me, to run 4:10. but after the help of id'ing my axles, i did some more searching and was reading that the dana 44's have 4:09 or 4:10... yes i know it cant have both, the guy was confused because the build sheet said one thing and..... any how even if they are 4:09 it would be pointless to put 4:10 in there.... and now you know why i asked the question that has been asked 1000 times and answered 4,000,000,000 times.
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Old 09-07-2010, 07:49 PM   #10
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Originally Posted by mnbickford View Post
yes i have, im not a total dip sheit!, why is it that this is the response to everyones question on every fourm? People typically do try to search for there answers before asking..... It was suggested to me, to run 4:10. but after the help of id'ing my axles, i did some more searching and was reading that the dana 44's have 4:09 or 4:10...
Only the Rubicon Dana 44 axles come with 4.10. All other Wrangler TJs with the Dana 44 come with 3.73.
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Old 09-08-2010, 10:37 AM   #11
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With 33s and an auto, I would suggest installing 4.56 gears, not 4.10, which are not much of a difference than your 3.73 gears.

And don't get your panties in a bunch, a lot of noobs(you only have 25 posts here) do not use the search feature. Good for you that you did.
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Old 09-08-2010, 11:25 AM   #12
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With 33s and an auto, I would suggest installing 4.56 gears, not 4.10, which are not much of a difference than your 3.73 gears.
The reason I suggested 4.10 for the 3-speed automatic and 33" tires is due to my experience with 4.88 and 35" tires... which produce about the same rpms that 4.56 does with 33" tires. My highway rpms at 65-70 mph were excessive, enough so that I dropped my highway cruising speeds from 65-70 mph with the 5-speed and 4.88 gears to 55-60 mph with 4.88 gears after I converted to the 3-speed automatic. Offroad, due his auto's torque converter, he'd still have an awesome crawl ratio with 4.10 for his 33" tires.
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Old 09-08-2010, 04:15 PM   #13
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I wonder how my rig will be with the 3 sd auto, 5.86, and 39s? Probably AWESOME! Of course, it is a trailer queen.
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Old 09-08-2010, 04:21 PM   #14
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Originally Posted by Jerry Bransford View Post
The reason I suggested 4.10 for the 3-speed automatic and 33" tires is due to my experience with 4.88 and 35" tires... which produce about the same rpms that 4.56 does with 33" tires. My highway rpms at 65-70 mph were excessive, enough so that I dropped my highway cruising speeds from 65-70 mph with the 5-speed and 4.88 gears to 55-60 mph with 4.88 gears after I converted to the 3-speed automatic. Offroad, due his auto's torque converter, he'd still have an awesome crawl ratio with 4.10 for his 33" tires.
Actually that rule only applies if your tires are that far apart in size....as you well know that 90 percent of the 35" tires measure 33" or somewhere abouts. Therefore, the difference in gearing is dependant on the actual tire size verus the advertised measurment.
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Old 09-08-2010, 04:23 PM   #15
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I wonder how my rig will be with the 3 sd auto, 5.86, and 39s? Probably AWESOME! Of course, it is a trailer queen.
Mine sux with 42's and 5.13's....fixing to be a doubler installed fo sho
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Old 09-08-2010, 04:59 PM   #16
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Actually that rule only applies if your tires are that far apart in size....as you well know that 90 percent of the 35" tires measure 33" or somewhere abouts. Therefore, the difference in gearing is dependant on the actual tire size verus the advertised measurment.
The MT/Rs I use are about as close in actual size to their advertised size as any tire out there. My 35" Goodyear MT/Rs are 34.8" in reality.
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Old 09-08-2010, 06:37 PM   #17
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Originally Posted by mnbickford View Post
yes i have, im not a total dip sheit!, why is it that this is the response to everyones question on every fourm? People typically do try to search for there answers before asking..... It was suggested to me, to run 4:10. but after the help of id'ing my axles, i did some more searching and was reading that the dana 44's have 4:09 or 4:10... yes i know it cant have both, the guy was confused because the build sheet said one thing and..... any how even if they are 4:09 it would be pointless to put 4:10 in there.... and now you know why i asked the question that has been asked 1000 times and answered 4,000,000,000 times.
Never said you were a dip anything. I was just trying to point you a a direction that PERHAPS you, as a newbe, hadn't been. As you said the question has been asked 1000 times and answered 4M times so, I guess, I'm surprised you didn't find your answer.
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Old 10-18-2013, 06:48 PM   #18
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Here is a good website link that has a good picture of the 30 and 44 axles. It also have the gear ratios.

Jeep Parts, Jeep Tops And Jeep Acccessories
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Old 06-08-2014, 10:33 AM   #19
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Waking up an old thread here as when searching I could not find what I needed. I have entered my axles BOMs here in the Dana ID finder http://www2.dana.com/expertforms/deabill.aspx
and it finds nothing.
Could anyone help ID the axles. I am going to re gear and would like to know what I am starting with.
Front axle has 52098940 and then under that the BOM 610574-2
Rear axle has 53055072 and then under that the BOM 5805-4
The original axles have been swapped out and I have no info from the PO.
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Old 06-08-2014, 10:43 AM   #20
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I've got no idea what those mean but....



Find your axle and win a prize!!
Check the diff cover and match it. Print this pic if you have to. It has pretty much anything you could have.
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Old 06-08-2014, 10:46 AM   #21
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I have that thanks. The TJ was originally supplied with a 44 rear and a 30 front. There is now a 35 in the rear with an LSD and the front is now a high pinion 30 off of an XJ. I do not know what ratios I have.
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Old 06-08-2014, 10:59 AM   #22
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My mistake...
Feel free to
You have two options, as far as I know.
1. You can open the cover, and count the teeth. BUT since you're regearing soon I'm not sure I'd do that, as you'll have to drain/replace the fluid, and unless you have the time and gear oil for it...

2. This isn't DEAD ON accurate, but can give you a good idea.
Jack the sucker up and count the rotations of the drive shaft for 1 rotation of the wheel. Marking the drive shaft helps.
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Old 06-08-2014, 12:07 PM   #23
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My mistake...
Feel free to
You have two options, as far as I know.
1. You can open the cover, and count the teeth. BUT since you're regearing soon I'm not sure I'd do that, as you'll have to drain/replace the fluid, and unless you have the time and gear oil for it...

2. This isn't DEAD ON accurate, but can give you a good idea.
Jack the sucker up and count the rotations of the drive shaft for 1 rotation of the wheel. Marking the drive shaft helps.
It takes two revolutions of the wheel on an open axle to turn the driveshaft a number of times to equal the axle ratio.
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Old 06-08-2014, 01:14 PM   #24
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It takes two revolutions of the wheel on an open axle to turn the driveshaft a number of times to equal the axle ratio.
Good catch. Thanks for fixing my brain fart.

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