Reworked Gearbox for all Trucks 1.31.x

– Scania R 2016
– Scania S 2016
– Volvo FH16
– Volvo FH16 2012
– Daf XF
– Daf XF Euro6
– Renault Magnum
– Renault Premium
– Scania R
– Scania Streamline
– Iveco Hiway
– Iveco Stralis
– Man TGX
– Mercedes Actros
– Mercedes New Actros

work with 1.28 and up (now suppot 1.31)