Here is a 2 tractor pack which contains Case IH JXU 85 and a Case IH JXU 115, for Farming Simulator 2015.
Mod version: v 1.0.1.
The tractors are based on the standard Puma 160 and the T6.160.
Sounds (start, idle, stop) are taken from  real JXU 85.
 
Have fun!

Credits:
Giants & RivalBomb