Version 2.0: 1.27 - 1.36 ats game version - Hi guys this mod change standart scs kenworth trucks engine sounds with real sounds and ı add new engines with sounds for kenworth trucks. VERSİON 2.0: - Company trucks added you can try all engines and sounds in quıck jobs. Kenworth t680: - Added new Detroit diesel 15(dd15) engines with sounds.(2017) VERSİON 1.0 Kenworth t680: -Cummins x15 engine sounds added for vanilla cummıns engines. -I dont touch orgınal engine sound its Paccar mx engines sound(old). -Added new cummins 444 series engines with sounds. -Added new detroit diesel series 60 engines with sounds. -I rework all engines torque curve,def and fuel consumption etc.. -All engine prices are optimized. -Retarder sound added Kenworth w900: -Cummins x15 engine sounds added for vanilla cummıns engines -Paccar mx-13 engine sounds added for vanilla paccar mx engines. -I dont touch orgınal engine sound its Caterpillar engines sound.(its nice sound) -I rework all engines torque curve,def and fuel consumption etc.. -All engine prices are optimized. -Retarder sound added. HAVE FUN!