OBS D60 in Superduty.

[schlutzer]

Basically just as the title says.

I have an early 99 f250, running on 37" tires. I need to regear, likely a 4.30. I don't want to spend the money on the d50.

I know it's bolt in for a Superduty d60. What I'm curious is what about an OBS d60? I know the bolt pattern is different but what other reasons are there not to do this?

It's hard to find an axle for less than a grand around here from a 99+. Yet easy to find f350's with balljoint d60's for less than that.

[Karls03]

The nickle and dime end of it is this, 4 new wheels (because you are going to want to rotate your tires), that is going to necessitate new shafts and brakes on the rear axle, and will the OBS steering linkage bolt up to the cross over that is in your '99?

If you have auto hubs, you won't anymore. I believe those OBS D60s were all manual hub.

In the end, unless you're ok with 2 different sets of wheels that you can't rotate, you're going to spend more nickle and diming that OBS D60 under your truck than buying a '99 and up D60.

[JSchuricht]

Actually, you can swap the knuckle from your solid D50 to a D60 so you could keep the same wheels. Then you could sell the OBS knuckles for ~$500. Your big issue is the perch width on the axle being different. IIRC the SD axle has the perches further out than a OBS.

[schlutzer]

Perch width I think would be simple enough to deal with. As long as there is space.

Now I need to go find out, I'm almost betting the OBS axel is narrower than the SD one. And that just won't do.

[Karls03]

I just did some checking with my Ford guru, a ball joint D60 from an OBS will be a direct bolt in to a 99 and up.

Also, as previously mentioned, the steering knuckles are interchangeable allowing the 8x170 retention.

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[JJFLASH]

I still kind of agree with the first statement...for the time, effort and money...just go get the proper axle. Just my .02.

[schlutzer]

Hey now, thanks Karls that makes it easier.

I'd still prefer to get a 99+ parts truck, but getting an OBS is easy as hell to find one that's been used as a truck for its whole life, and there's not much left of it, I could pick them up for 500-700 and still scrap it minus the axle for 300-400.

[ol_Blue97]

Where do u live... buy a OBS parts truck for me and i will give u my d-50 out of a SD (may even be a 60 out of an 02) plus cash for the OBS, even better if its a 3.55 axle. King pin or ball joint d-60 it doesn't matter..

As for the swap, u can redrill your rear axle shafts and run 6.5x8 wheels which opens up your options on some other wheels.

[schlutzer]

I already have a D50, thats what I'm trying to get rid of... just as cheaply as I can..

I'm in Ontario anyway lol, bit far for a truck swap.

[ol_Blue97]

Originally Posted by schlutzer

Hey now, thanks Karls that makes it easier.

I'd still prefer to get a 99+ parts truck, but getting an OBS is easy as hell to find one that's been used as a truck for its whole life, and there's not much left of it, I could pick them up for 500-700 and still scrap it minus the axle for 300-400.

Originally Posted by schlutzer

I already have a D50, thats what I'm trying to get rid of... just as cheaply as I can..

I'm in Ontario anyway lol, bit far for a truck swap.

I thought u would prefer a 99+.... and the one i can get u i believe is a dana 60 out of a 02 SD, NOT a D-50 out of 99-01

But yes very far for a swap. Altho i am driving to mid state NY to deliver a set of 08 axles to a guy,