What trans is in the H.O 12's?

Pretty soon, you'll have a choice between the G56, 68RFE and Aisin 6-speed auto with 3 different power ratings for each motor/trans combo.
 
I know. I am going to look at my truck in the mornin but I was allmost positive they told me aisin when I bought it. I just need to know because I plan to start stock pileing parts.LOL
 
thepitts5 said:
It's my understanding that only the cab & chassis models come with the aisin.
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Right now, yes. The 2014, I believe, will start the choice of 3 engine outputs and trans combinations. The Aisin 6-speed being one of them which comes with the 385HP 6.7L.
 
The 12s have the 68 in all the pickups, with the Aisin in the Cab & Chassis. The 13 2500s have the 68 while the 3500s have the Aisin with the 385hp rating.
 
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