Axle interchange
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Fleet Mechanic
Joined: Mar 2019
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Axle interchange
I'm keeping an eye out in the local salvage yards for some axles with 4.30 gears. Mine is an 01. Will any year axles out of the excursions swap In? What about the 99-04 pickups?
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Joined: Oct 2002
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any 99-04 super duty/ex axle will fit, any 05 ex axle fit.
99-01 f-250's and all excursions have dana 50 front axle.
some early SRW 350's may have had dana 50 fronts, all DRW 350's have dana 60's.
All 02+ 250's have dana 60's.
MOST 4.30 trucks have a dana 60.
DRW front axles can be converted to SRW with the SRW hubs from your dana 50.
DRW rear axles are a different width, they won't work.
plenty of info on this out there with a quick search...
99-01 f-250's and all excursions have dana 50 front axle.
some early SRW 350's may have had dana 50 fronts, all DRW 350's have dana 60's.
All 02+ 250's have dana 60's.
MOST 4.30 trucks have a dana 60.
DRW front axles can be converted to SRW with the SRW hubs from your dana 50.
DRW rear axles are a different width, they won't work.
plenty of info on this out there with a quick search...
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Fleet Mechanic
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Did the excursions ever come with the goofy rear axle that had one caliper in the front like the trucks did? I found a set of axles out of an 2000 not too far from me but I just went through the entire brake system on my current axle and want to reuse it all.
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From: Media PA
Yes, first years EXs (or at least some of them) had the rear brakes that way. I think if you have both styles on hand swapping the parts around is doable.
UPDATE: Info in post #8 says that they are NOT interchangeable.
UPDATE: Info in post #8 says that they are NOT interchangeable.
Senior User
Joined: Oct 2002
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I am not familiar with that brake setup but I think that the Ex rear axle is the same as the same year truck axle with the exception of the 05 which is the same as the 04 truck.
Laughing Gas
Joined: Jan 2020
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From: Greenville, TX
Yeah, some did. I have a very early 2000 Excursion (most of the parts were manufactured mid-1999) and my driver-side rear caliper is in front of the axle with a large rock guard in front of it.
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Senior User
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Just FYI the flange is different on the early and late axles so you can't swap the one caliper in front setup to the later style!
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Fleet Mechanic
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That is exactly what I was looking for. I'll have to verify that before I pull the trigger on them. Thanks!
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Joined: Jul 2010
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From: Media PA
Thanks for the education, I thought they were interchangeable, but had no first hand experience with those early axles. I updated my earlier post with your info.
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