727 or 904 behind Cummins in a Ram Truck
 

Will a Mopar 727 or 904 transmission (sb or bb bellhousing) work behind a 5.9L cummins engine?

I'm thinking the OEM application would be a 1991 or 1992 dodge pick-up.

Thanks,

Chris

Re: 727 or 904 behind Cummins in a Ram Truck
 

Chris,

I don't believe so. I have had 3 Dodge diesels, a 98, 02 and an 05. All three trans were different.

The 02 trans was a joke. Maybe someone else might know.

#5457

Curt Rees

Re: 727 or 904 behind Cummins in a Ram Truck
 

Chris,

I beleive the 1st generation of Dodge diesels, 1989 through--??, came with Allisons. My 02 was a Chrysler (junk) product.

I am not sure of the year that the Allisons were dropped. Again, maybe someone else might shed some light.

#5457

Curt Rees

Re: 727 or 904 behind Cummins in a Ram Truck
 

The bell housings are different it will have to be the 727 for a cummins. Chrysler put a 727 in the first gen cummins trucks. They didn't go to the overdrive until I think 91.

Re: 727 or 904 behind Cummins in a Ram Truck
 

I think I would look at some of the truck pulling sites, or forums and ask them. Its pretty common for them to make 800-1200 hp with a cummins and run some sort of automatic.

Re: 727 or 904 behind Cummins in a Ram Truck
 

If you are going to be pulling a trailer with it, I would put the 6 speed manual in it. We had one with the auto and it would not live so it got sold. bought a second with a 5 speed that kept loosing 5th gear untill it went out of warranty and I fixed it so the nut would not come loose. And one other with a 6 speed with no problems what so ever. The 5&6 speed now have over 350K and 250K on the odometers with no other problems but that POS automatic no mater what we did it would not make it more than 50K without coming apart and we could no longer afford to risk it when moving cattle so it had to go.

Re: 727 or 904 behind Cummins in a Ram Truck
 

I'm asking the question more for fun than anything, thanks for all the replies.

We have allot of the 6BT cummins engines here at work and we were wondering what it would take to take one to put into another vehicle for street or drag racing purposes.

Personally, I think it would be cool to put one in a 63 wagon, tilt it over some and have a diesel slant six.

Re: 727 or 904 behind Cummins in a Ram Truck
 

A HEAVY slant 6! lol I will bet Mike Jeffery could make it run!

#5457

Curt Rees

Re: 727 or 904 behind Cummins in a Ram Truck
 

Just happened to get suckered into going to Walmart with the wife today. While there I saw a mag that has a roadster rat rod type car with a cummins and running 50lbs of boost and nitrous. Its been 2 hours since I was there and the crs has kicked in and for the life of me I cant remember which trans or the name of the mag but if we go back I will check again and post.

Re: 727 or 904 behind Cummins in a Ram Truck
 

Hot Rod! Allison, if my crs has not kicked in!

#5457

Curt Rees