Realistic Engines for Peterbilt 579 and Kenworth T680

Version 1.0: * Researched engines available for both trucks in game * 23 total coded engines, 7 Cummins ISX and 16 PACCAR MX * Included 47 currently available Eaton Fuller transmissions 9, 10, 13 and 18 speeds, auto and manual (originally coded by KW_Driver for ETS2)
Thanks to AMT modding for the support and KW_Driver for the transmissions! Enjoy!
Authors: guidot, KW_Driver