Hello there new release of popular sound in last couple days its about Caterpillar C-15/6NZ  for v1.41 and 1.40 sound by my
opinion sounds perfect big thanks to Serialblack
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►About engine description :
- Will work on all SCS truck and  the following trucks:
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ALL SCS Trucks
Autocar AT by XBS
Autocar DC by XBS
Brockway by KSW
Freightliner FLB by Harven
Freightliner FLC by XBS
Freightliner XL By John Ruda
Kenworth K100-E by Overfloater
Kenworth W900 by John Ruda
Kenworth W900A by 4k
Kenworth w900B by GTM
Kenworth W990 by Harven
Mack F700 by KSW
Mack RS600 by Harven
Peterbilt 352 by swumfanpage2017
Peterbilt 359 by RTA
Peterbilt 359 by FLX
Peterbilt 379 by Dom
Pererbilt 379x by 4k Modding
Peterbilt 389 by John Ruda
Peterbilt 389 by Viper (Haterbilt works as well)
Project 3xx by HFG(Guidot)
Peterbilt 567 by GTM
Scot A2HD by Smarty
If u want u can donate  to him here :
 https://www.paypal.com/paypalme/serialblack
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All other what not coming with truck watch on you tube all is in description enjoy.