D30A 4.10 Gears

2006KJSPORT4x4 · **Posted:** Wed Feb 25, 2009 10:32 pm

So how are the new gears holding up jsc7002?? Looking to take the plunge now for all the gears and rebuild kits, then in another 3-4 months get the lockers, and then in another 3-4 after that get it all installed hopefully, time will tell though.

jsc7002 · **Posted:** Thu Feb 26, 2009 1:25 am

2006KJSPORT4x4 wrote:

So how are the new gears holding up jsc7002?? Looking to take the plunge now for all the gears and rebuild kits, then in another 3-4 months get the lockers, and then in another 3-4 after that get it all installed hopefully, time will tell though.

I dont know :evil:

Ive been waiting and waiting for the front overhaul to arrive, so I finally called today to ask about it only to find out they never sent them to me or even charged me yet, and I didnt have enough in my account so I had to move over money I wasnt wanting to, and Ill have to move more around to have them installed. But I was extremely unhappy to hear that they were never sent out or anything and Im still unhappy that all this happened and I want to say bad things about the company, but I know they are good and I have ordered from them before and got it really quick and they even gave me a little bit of a discount on it, it was just a simple mistake and it happens, its just an annoying little setback for me. :roll:

But she said she would get them out today for me so Im hoping the 13th I can get them installed.

What lockers are you going with?

dieselenthusiast · **Posted:** Thu Feb 26, 2009 1:39 am

jsc7002 wrote:

2006KJSPORT4x4 wrote:

So how are the new gears holding up jsc7002?? Looking to take the plunge now for all the gears and rebuild kits, then in another 3-4 months get the lockers, and then in another 3-4 after that get it all installed hopefully, time will tell though.

I dont know :evil:

Ive been waiting and waiting for the front overhaul to arrive, so I finally called today to ask about it only to find out they never sent them to me or even charged me yet, and I didnt have enough in my account so I had to move over money I wasnt wanting to, and Ill have to move more around to have them installed. But I was extremely unhappy to hear that they were never sent out or anything and Im still unhappy that all this happened and I want to say bad things about the company, but I know they are good, it was just a simple mistake and it happens, its just an annoying little setback for me. :roll:

But she said she would get them out today for me so Im hoping the 13th I can get them installed.

where did you get your rear overhaul kit from?

jsc7002 · **Posted:** Thu Feb 26, 2009 1:46 am

dieselenthusiast wrote:

jsc7002 wrote:

2006KJSPORT4x4 wrote:

So how are the new gears holding up jsc7002?? Looking to take the plunge now for all the gears and rebuild kits, then in another 3-4 months get the lockers, and then in another 3-4 after that get it all installed hopefully, time will tell though.

I dont know :evil:

Ive been waiting and waiting for the front overhaul to arrive, so I finally called today to ask about it only to find out they never sent them to me or even charged me yet, and I didnt have enough in my account so I had to move over money I wasnt wanting to, and Ill have to move more around to have them installed. But I was extremely unhappy to hear that they were never sent out or anything and Im still unhappy that all this happened and I want to say bad things about the company, but I know they are good, it was just a simple mistake and it happens, its just an annoying little setback for me. :roll:

But she said she would get them out today for me so Im hoping the 13th I can get them installed.

where did you get your rear overhaul kit from?

the rear I bought from National Drivetrain, gears and overhaul, they are both Motive but I dont see the rear overhaul listed anymore, so I must have bought one of the last ones they had lol but Ive already gotten it, I have everything I need sitting in the backseat just waiting to be installed

04jeepkj · **Posted:** Thu Feb 26, 2009 9:32 am

jsc7002 wrote:

04jeepkj wrote:

Ok so i have been wanting to upgrade the KJ for a while now, 4.10 gears and a rear locker. Here is a parts list i have come up with so far. . .

D30A 4.10 Gears - http://trailquest.com/axles/KJ_Model30.shtml $255
Chrysler 8.25 4.10 Gears - http://nationaldrivetrain.com/shopsi...ysler_825.html $170
Aussie Rear Locker - http://aussielocker.com/item.php/TM7...0/310061/.html $300
Grand total $725.00

Anyone use any of these companies? Any issues with that set up? My KJ is an 04 i know that some parts seals ect. . will have to be replaced when i do the gear swap do i really need a complete rebuild kit? or just an overhaul kit?

Yes those are all good companies, I have bought several things from the first two and a couple members have bought the Aussie locker. You need to also add $122 for the front rebuild kit and another $90 for the rear rebuild kit, you can buy the front rebuild from Trail Quest and National Drivetrain has the rear overhaul kit.

Does anyone have a link for the rebuild kits? I was looking around those sights and only found the C8.25 from National Drivetrain.

jsc7002 · **Posted:** Thu Feb 26, 2009 10:55 am

04jeepkj wrote:

jsc7002 wrote:

04jeepkj wrote:

Ok so i have been wanting to upgrade the KJ for a while now, 4.10 gears and a rear locker. Here is a parts list i have come up with so far. . .

D30A 4.10 Gears - http://trailquest.com/axles/KJ_Model30.shtml $255
Chrysler 8.25 4.10 Gears - http://nationaldrivetrain.com/shopsi...ysler_825.html $170
Aussie Rear Locker - http://aussielocker.com/item.php/TM7...0/310061/.html $300
Grand total $725.00

Anyone use any of these companies? Any issues with that set up? My KJ is an 04 i know that some parts seals ect. . will have to be replaced when i do the gear swap do i really need a complete rebuild kit? or just an overhaul kit?

Yes those are all good companies, I have bought several things from the first two and a couple members have bought the Aussie locker. You need to also add $122 for the front rebuild kit and another $90 for the rear rebuild kit, you can buy the front rebuild from Trail Quest and National Drivetrain has the rear overhaul kit.

Does anyone have a link for the rebuild kits? I was looking around those sights and only found the C8.25 from National Drivetrain.

http://www.justdifferentials.com/index. ... ts_id=1530

and for the front overhaul you just need to call Trail Quest and tell them you need to order the front overhaul for the D30a in the KJ. and its $122. You wont find the D30a rebuild anywhere else.

04jeepkj · **Posted:** Thu Feb 26, 2009 11:57 am

jsc7002 wrote:

04jeepkj wrote:

jsc7002 wrote:

04jeepkj wrote:

Ok so i have been wanting to upgrade the KJ for a while now, 4.10 gears and a rear locker. Here is a parts list i have come up with so far. . .

D30A 4.10 Gears - http://trailquest.com/axles/KJ_Model30.shtml $255
Chrysler 8.25 4.10 Gears - http://nationaldrivetrain.com/shopsi...ysler_825.html $170
Aussie Rear Locker - http://aussielocker.com/item.php/TM7...0/310061/.html $300
Grand total $725.00

Anyone use any of these companies? Any issues with that set up? My KJ is an 04 i know that some parts seals ect. . will have to be replaced when i do the gear swap do i really need a complete rebuild kit? or just an overhaul kit?

Yes those are all good companies, I have bought several things from the first two and a couple members have bought the Aussie locker. You need to also add $122 for the front rebuild kit and another $90 for the rear rebuild kit, you can buy the front rebuild from Trail Quest and National Drivetrain has the rear overhaul kit.

Does anyone have a link for the rebuild kits? I was looking around those sights and only found the C8.25 from National Drivetrain.

http://www.justdifferentials.com/index. ... ts_id=1530

and for the front overhaul you just need to call Trail Quest and tell them you need to order the front overhaul for the D30a in the KJ. and its $122. You wont find the D30a rebuild anywhere else.

Thanks!! Going to start ordering parts next week, and hopefully have them installed before i get back state side. . .

KJ Willy · **Posted:** Fri Feb 27, 2009 9:11 pm

Sorry to here about your issues JSC, I have been out to sea for the last 9 days and trying to catch up, mine is going in next week to get 4.10 and lockers put in found a place for 450$ an axle. I call on monday to schedule the day.

04jeepkj · **Posted:** Sat Feb 28, 2009 11:05 am

KJ Willy wrote:

Sorry to here about your issues JSC, I have been out to sea for the last 9 days and trying to catch up, mine is going in next week to get 4.10 and lockers put in found a place for 450$ an axle. I call on monday to schedule the day.

Where are you having it done at? My KJ is in southern Maryland right now my father was going to try and get the gears and locker done before i get back from Iraq.

KJ Willy · **Posted:** Sat Feb 28, 2009 11:25 am

I bought the parts from all over the place following this thread. I am having it completed by Production Offroad down here in VA Beach area.

If you need to find a shop up in the maryland area look on MilitaryJeepers.com they have some good supporters up in that area that can help you out.

jsc7002 · **Posted:** Sat Feb 28, 2009 8:21 pm

it all worked out okay atleast the gears should be here early next week and I have the money to get them installed.

DryBones · **Posted:** Thu Mar 05, 2009 11:46 am

just got off the phone with Trailquest. Called to order bumpstops and ended up buying the 4.10 front end gears and upgrade kit. Sheesh, that was a costly call. :lol:

Now what kind and where do I get the same for the rear? I know...I need to read this whole thread tonight when I get home. :lol:

tommudd · **Posted:** Thu Mar 05, 2009 1:38 pm

DryBones wrote:

just got off the phone with Trailquest. Called to order bumpstops and ended up buying the 4.10 front end gears and upgrade kit. Sheesh, that was a costly call. :lol:

Now what kind and where do I get the same for the rear? I know...I need to read this whole thread tonight when I get home. :lol:

National Drivetrain 800-507-4327 rear Motive gears and install kit ( bearings etc ) 198 for the gear and 90 for the install kit 288 shipped to the house ordered on 03/03/09 at the house 03/04/09

jsc7002 · **Posted:** Thu Mar 05, 2009 3:50 pm

DryBones wrote:

just got off the phone with Trailquest. Called to order bumpstops and ended up buying the 4.10 front end gears and upgrade kit. Sheesh, that was a costly call. :lol:

Now what kind and where do I get the same for the rear? I know...I need to read this whole thread tonight when I get home. :lol:

haha nice, I just picked up my front overhaul about 5 minutes ago!

DryBones · **Posted:** Mon Mar 09, 2009 8:24 pm

Big Brown delivers again! Front end 4.10 and rebuild kit came in today. Shipped direct form Crown but Spicer parts in the box. Oh, and I got my front bumpstops too. I also got my CB antenna and mounting hardware! Woohoo! I am going to be busy next weekend. (front gears are going in the closet until I get lifted and see how bad my mileage becomes, just wanted to have them while I can still get them.)

DryBones · **Posted:** Mon Mar 09, 2009 8:36 pm

Guys,
I just went through the parts I received anf compared with the list provided and I am missing the Crush spacer Part# 5066047. Anybody else get this in their kit or is this getting left out on all the orders?

Also, on inspecting the ring and pinion 1 tooth on the pinion looks damaged like it was dropped. The box was also "taped" back up so I don't know what to think. I will be posting a pic to see what you guys think.

Heres the pics:

outside of gear and pinion box

inside looks beat, maybe a return item?

chipped tooth

good tooth

chipped tooth

good tooth

2006KJSPORT4x4 · **Posted:** Tue Mar 10, 2009 12:56 am

Hate to see that Dry Bones, but good info to have, I will certaintly be checking out my stuff once I receive it this week (hopefully).

KJ Willy · **Posted:** Tue Mar 10, 2009 3:36 pm

My box looked similar but haven't looked at the gears will do it when I get home tonight.

jsc7002 · **Posted:** Tue Mar 10, 2009 4:27 pm

well I just checked mine and I have one tooth on the pinion but I dont think it would really affect anything but I dont know.

DryBones · **Posted:** Tue Mar 10, 2009 4:34 pm

I called Trailquest about both my issues. They were going to check with Crown and see what's up. I'll keep you posted.

D30A 4.10 Gears

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