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-   -   Trans and rearend. (http://www.competitiondiesel.com/forums/showthread.php?t=152462)

bulldog77 04-09-2013 02:16 PM

Trans and rearend.
 
Maybe some one can help me out. Our company has a old 86 gmc top kick with a 3208 cat, eaton 5 speed, and eaton rear. I cant read the tag on the trans and cant really find anything on the rear other than eaton stamped on it. Can anyone help me out on identifying these?

bulldog77 04-09-2013 02:43 PM

Truck originally used to be a sewer vac truck.

kino_fab 04-09-2013 08:19 PM

there were so many different combo's on those trucks that it could be anything.

bulldog77 04-09-2013 08:34 PM

Kinda what I have come up with. I'll have try to inspect it some more when its not snowing and thundering here.
Thanks

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BowtiedCTD 04-09-2013 08:34 PM

you're best bet is to take the vin number and call a gm dealer that you trust on the parts side with an older guy still working there that might know a little somethign about the older medium duty trucks.

bulldog77 04-09-2013 08:37 PM

The tag is still on the Trans but has been painted over. And i thought the rear was a little big and over kill for the truck.

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bulldog77 04-10-2013 11:33 AM

This is what i got off the rear.
Cast into it 107493

Stamped on top of pumpkin
22121
119548
G1883
5 57

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bulldog77 04-10-2013 07:32 PM

I'm not coming up with many specs on this rearend. Or i'm looking in the wrong places.

Charger 04-10-2013 11:46 PM

the eaton 5spds are a common med duty trans for those, 5th is 1 to 1

bulldog77 04-11-2013 05:39 PM

About the only good info on the rear end I'm coming up with is that it has a 17 ring gear. Not much more info on it. Or could be looking the wrong places. Any info would be greatly appreciated.

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bulldog77 04-12-2013 05:41 PM

http://img.tapatalk.com/d/13/04/13/5atanyny.jpg
http://img.tapatalk.com/d/13/04/13/ge8y9ede.jpg

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Fahlin Racing 04-20-2013 06:30 AM

Take some lacquer thinner and try to free the paint up from the tag for the transmisison.

Fahlin Racing 04-20-2013 06:33 AM

I can try to run those numbers off the axle while I am at work in my spare time, are you able to get a picture of the brake shoes though? preferably the ends where the rollers are sitting. But a pic of the whole shoe roller to roller please.

bulldog77 04-20-2013 08:34 PM

I'll try beginning of next week. Thanks.

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2wpuller 04-23-2013 06:37 PM

There should be numbers on the end of the pinion.

Dale

bulldog77 04-23-2013 07:29 PM

I'll check. Thanks

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bulldog77 04-24-2013 05:04 PM

107495. If they are on the end of pinion shaft I'll have to take drive shaft off.

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2wpuller 04-24-2013 07:17 PM

Yes their fairly small

Dale

Fireman450 04-26-2013 03:53 AM

Matt
You ever figure anything out?? Is that thing a 2spd?? Also can ya shoot me a pic of the rear of the housing??
Ill compare it to a few trucks we have around the shop.

bulldog77 04-26-2013 05:53 AM

Not yet, been busy with work. I'll shoot some more pics this morning. Thanks.

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