what allison in m939a2?

[SCRAP]

can anyone tell me what allison auto is in the 9 series behind the 8.3 cummins? and is it an overdrive unit. soured the search feature but came up empty. thanks

 

[wehring]

Allison

MT654CR non-OD. Your t case has a .732 OD in high range.

Justin Wehring
979 997 3112

 

[SCRAP]

thanks for the info