Have been thinking about buses having their own sounds rather than having default truck sounds. And here it is!
This mod adds sounds to the following buses:
Busscar Jumbuss 360 by Fabian Espinoza
Marcopolo ideale i770
Man Irizar PB
Man Irizar New Century
Man Irizar i6 4×2 By thio Monicho
Credits: Taku Martin Dnyire