ak_cowboy

Here's what Wikipedia says:
2004

• 4R75E used in 5.4 L-3v F150
• 4R70E used in 4.6 L F150 (except F150 Heritage)
• 4R75W used in Mercury Marauder, V8 Mustang (GT and Mach 1), and 5.4 L-2v trucks (Van, and Expedition)
• 4R70W used in all other applications (V6 Mustang, 4.6 L Van, 4.6 L Expedition, Crown Vic/Grand Marquis/Towncar, and F150 Heritage).

2005

• 4R75E used in 5.4 L trucks (F150, Van, and Expedition)
• 4R70W used in F150 Heritage (sold only in Mexico)
• 4R70E used in all other applications (4.6 L Van, Crown Vic/Grand Marquis/Towncar, and 4.6 L F150 (except F150 Classic (sold only in Mexico))

2006 to 2008

• 4R75E used in all other applications (Van, Crown Vic/Grand Marquis/Towncar, and F150

VanoFord

either that or I got a 1 of a kind truck for reals!

shotgun

Before you make this a sticky or anything it looks like we need to combine information:

https://www.f150forum.com/f33/decode...er-04-a-29683/

I don't know what an "A" designation means, but like Bucko suggested, your dealer should be able to tell you (if it's not available through the VIN decoder or the window sticker links).

RoushNitemare

lol mines a "Q"

shotgun

https://www.f150forum.com/f33/decode...83/#post425147

Mod (Ret.)

I've asked CrashTech to add this to his sticky, once all the details and merge details are worked out.

VanoFord

Code A = 4R70E

RoushNitemare

thanks shotgun

IM2Lazy4You

Good to know, I too have an '06 Supercrew with the 'A' code for the tranny.

red08

mine is a Q