Allison tranny in a Cummings

[Loudram]

I don't know if this has been posted but here is the latest rumor.

 

[mtnrider]

I could see this happening. They have to do something to keep up with the competition, everyone is going to a 8 or 10 speed transmission..


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[MADDOG]

What is a "Cummings"?

 

[John Jensen]

Actually it is a Cummins. A 6.7, in line 6, diesel engine. A history of excellence.

 

[Loudram]

What is a "Cummings"?

I know, I noticed it after I posted it and it was too late to change it.

 

[John Jensen]

I know, I noticed it after I posted it and it was too late to change it.

 

[BossHogg]

I know, I noticed it after I posted it and it was too late to change it.

You're not the first nor the last, it happens often. If it was your spell checker that took the liberty of changing Cummins to Cummings, right-click the correct spelling and select add it to the dictionary.

The transmission rumor mill has been chatting about an HD ZF 8-speed replacement for the Aisin since the chatter about the HD redesign started a couple of years ago. The more recent, the talk of an Allison.

But, if the Allison is the way forward, will it be an Allison or a licensed built Allison?

I have the ZF 8-speed in my 2013 1500 and like the tranny, you really do not notice the shifting. I'd welcome a ZF in the HD Cummins but then again, the talk of an Allison has me excited too. I think if RAM went with the Allison, that would put a hurt on the Duramax HD sales.

How does this look for a hood badge;
Cummins/Allison

 

[stevenP]

Why would they stray from the Aisin? Mine seems to work just fine. Its only a six speed auto though. Driving thru southern indiana you drive by both the cummins, and aisin plants.

 

[John Jensen]

Why would they stray from the Aisin? Mine seems to work just fine. Its only a six speed auto though. Driving thru southern indiana you drive both the cummins, and aisin plants.

I agree, the Aisin is a proven performer. The last two gears are overdrives. A 10 speed would not necessarily improve mileage, but it would provide smoother shifting. I personally like to feel the shifting.