Ford Truck Enthusiasts Forums - Need help with door tag decode, 1991 F800

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telescope-tech

08-11-2017 02:22 PM

Need help with door tag decode, 1991 F800

Transmission code on the door VIN sticker is AC

The motor is a 7.8 and the transmission is an automatic with a PTO.
I'm looking at the 1991 ford specification book, volume 3 (truck) and I don't see anything with that code. All the other numbers on the tag make sense.
I'd love to avoid driving 6 hours RT just to find this truck has an Allison AT545.

NumberDummy

08-12-2017 11:21 AM

Quote:

Originally Posted by telescope-tech (Post 17389649)

Transmission code on the Certification Label is AC

AC = Allison model MT-653 Automatic Transmission.

telescope-tech

08-12-2017 07:02 PM

Quote:

Originally Posted by NumberDummy (Post 17391223)

AC = Allison model MT-653 Automatic Transmission.

Thanks, I didn't get this in time so I drove up and crawled under what is now my new truck. :-)

Now I need to find a charge-cooler since the 1990 didn't have one. :-(

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