Dually rear end

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Dec 7, 2019 | 07:57 AM

Ron/RPMS

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Dually rear end

Hey Guys and Gals, I'm looking for a rearend for a 84 f-350 dually. It is a pickup frame and need to have a 4.10 gear.
What am I looking for?
Dana 70?
Dana 71?
What year trucks would I be looking for to fit this truck?

Thanks to any and all replies. Ron.................

Dec 7, 2019 | 11:46 AM

Franklin2

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From: Virginia

Your truck originally had a Dana, but I think I would look for a little bit later Ford/Sterling 10.25. So much easier to work on the brakes, you just pull the drum off. On the Dana's you have to pull the axle and then the hub/bearings to work on the brakes. You can look all the way up to 1998. Some of the rearends may have a little different yoke length, so be prepared for the driveshaft to possibly need shortening or lengthening a little bit.

Dec 7, 2019 | 06:40 PM

Franklin2

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From: Virginia

Here is a place in Missouri that say they have a dually rearend to fit.

1986
Rear Axle Assembly
Ford Truck F350

7.5,AT,RWD 108,610 A 147926 $500 Griffin Auto Salvage LLC USA-MO(Grovespring) Request_Quote 800-280-1219 / 417-462-3928 Request_Insurance_Quote

Dec 7, 2019 | 08:04 PM

Ron/RPMS

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Franklin 2 thanks for the info, the brakes on the 10.25 would be a welcome addition.I have a couple sources local but I need to know what I'm looking for. I have not heard anything bad about the 10.25 so I would assume its a good part.
Thanks...........

Dec 10, 2019 | 04:43 PM

Diesel_Brad

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From: Gilbert, PA

Quote:

Originally Posted by Ron/RPMS

if at all possible get a 92+ sterling axle. it has the long pinion yolk for more support.

Just remember if it is for a pickup, it has to come from a dually pickup. Cab-n-chassis are different

Jan 3, 2020 | 06:30 PM

Ron/RPMS

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Are the later dually rear ends lug centric or hub centric?

Jan 3, 2020 | 07:26 PM

Franklin2

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From: Virginia

We had a 89 f350 and it was hub centric. But this will depend also on the wheels you use, and the lug nuts you use.

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Feb 29, 2020 | 10:00 PM

Ron/RPMS

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Quote:

Originally Posted by Diesel_Brad

87+ are hub centric

So if I went with the hub centric rearend I will not be able to use my lug centric wheels?

Thanks

Mar 1, 2020 | 07:34 AM

#10

Franklin2

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From: Virginia

Quote:

Originally Posted by Ron/RPMS

So if I went with the hub centric rearend I will not be able to use my lug centric wheels?

Thanks

I have never tried that. But if your lug centric wheel fit over the center protrusion on the rearend, and you used the proper lug centric lug nuts, I don't see why it would not work. I think if I were you I would carefully measure the diameter of the center hole on your lug centric wheels, and then measure the hub diameter on the rearend you are thinking about using. If it fit over the hub, or had clearance around the hub, I would think it would work. You may need something like the picture below to measure the rearend hub.