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Desperately need a zf5 🥲

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Old May 14, 2026 | 09:36 PM
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Desperately need a zf5 🥲

I cannot find a zf5 trans with a 4x4 output In Minnesota.
If anyone in the the upper Midwest could help me out, please reach out.
I can shell out about $600, maybe more for the right unit.
 
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Old May 15, 2026 | 06:30 AM
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average price for a used 4X4 ZF-5 is $1500+. for a rebuild it is closer to $2500.
you will be lucky to find one in a parts yard for under $1000
 
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Old May 15, 2026 | 10:10 AM
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Have you searched www.car-part.com ? You can search wrecking yards by mileage radius by location.
 
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Old May 15, 2026 | 11:10 AM
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Even though the old F-Superduty trucks were 2wd they used a 4x4 ZF transmission. Good luck with the search.
 
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Old May 18, 2026 | 07:24 AM
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Good luck!

If you find a gas ZF5 I think the case can be modified. You can also change a RWD unit into a 4x4 if you disassemble it.
 
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Old May 18, 2026 | 09:31 AM
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IIRC Small block zf5 wont fit and a 460 ZF5 will work if you drill out the mounts
 
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Old May 18, 2026 | 03:58 PM
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460 trans you need to drill the bellhousing bolt holes, not the mounts
 
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Old May 18, 2026 | 04:28 PM
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Different gear ratios also. I'm sure the Ford engineers knew the diesel trans needed the gear ratios best to keep the diesel, just grunting and pulling, and the gas ZF5's got a wider spaced gear, so they could have a chance to get their RPM's up. I think that's how they did it, if my quick google search didn't tell me no lies.
If that's the case, I suppose putting a gas trans in a diesel would be better than putting a diesel trans in a gas, especially if an N/A diesel, cus they need to rev to keep their momentum going anyway, but still, I wouldn't do it. I remember seeing the photos back along and you can tell, it weakened the bellhousing.... enough to crack or break?......... I suspect over the years eventually, but I dunno. Just a guess.

Depending on how often you still use the truck and what for, you could consider a C6 auto swap. If you're only putting on 3-5k miles per year and no interstate speeds, or of course for just a yard/farm truck, it's an affordable option. I wouldn't do it for anything I drove a lot of course. Just something to consider. I'd suspect you could find a diesel C6 a lot cheaper than a ZF5, but that's speculation cus I haven't looked, but I think it's a good guess.
 

Last edited by FORDF250HDXLT; May 18, 2026 at 04:32 PM.
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Old May 19, 2026 | 06:46 AM
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I'd think a T19 would be preferable to a C6 if you can't find a ZF5. The C6 IDI trucks use a Vacuum Regulator Valve and it's no longer available.
 
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Old May 19, 2026 | 12:22 PM
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From: Mi'kma'ki
Originally Posted by Olds64
I'd think a T19 would be preferable to a C6 if you can't find a ZF5. The C6 IDI trucks use a Vacuum Regulator Valve and it's no longer available.
What do you make of this? Seems pricey but if it keeps a guys truck going.

https://dalessuperstore.com/i-239164...-7-3l-6-9.html


You can have them rebuilt here:
https://www.nickpisca.com/diesel/fue...gulator-valve/

I confess, I know nothing about this (other than the general idea of why the C6 needs the vac just like on my gas version). Very fast google search.
 

Last edited by FORDF250HDXLT; May 19, 2026 at 12:27 PM.
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Old May 19, 2026 | 02:10 PM
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The cable operated modulator is an option for RWD trucks. The mechanism doesn't fit in a 4x4 truck though.

Nick is a member here, @genscripter He rebuilt my VRV. A+ for price and speedy service.

For a time I was considering having a reverse pattern, full-manual valve body installed in my C6. I'm glad that I got my VRV rebuilt instead. Just know what you're getting into if you consider a C6.
 

Last edited by Olds64; May 19, 2026 at 02:36 PM.
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Old May 19, 2026 | 05:48 PM
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Originally Posted by FORDF250HDXLT
What do you make of this? Seems pricey but if it keeps a guys truck going

https://dalessuperstore.com/i-239164...-7-3l-6-9.html

I confess, I know nothing about this (other than the general idea of why the C6 needs the vac just like on my gas version). Very fast google search.

i think that cable kit is about $230 over priced.
 
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Old May 19, 2026 | 06:09 PM
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From: Mi'kma'ki
Originally Posted by Olds64
Nick is a member here, @genscripter He rebuilt my VRV. A+ for price and speedy service.
Oh, perfect!
 
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