New definited engines for accurate sound for each engines
Custom interior attenuation for realistic sound inside the truck
New improved custom sound attenuation for realistic sound fade off wtih reverb and distortion effects
New improved exhaust distortion combined with sound orientation
New 950hp engine with 5250nm torque for all trucks
New allison 6 gear transmission for all trucks

简介（百度翻译）

新定义的发动机为每台发动机提供准确的声音
定制内部衰减，使卡车内部声音逼真
新改进的自定义声音衰减，可实现逼真的声音衰减，并具有混响和失真效果
新改进的排气失真与声音定向相结合
适用于所有卡车的新型950马力发动机，扭矩为5250nm
适用于所有卡车的新型allison 6挡变速器
作者：RastaJr