: Locate a reputable source like the SCS Software Forum or Steam Workshop.
: High-fidelity recordings of real Volvo D13 engines, capturing the distinct hum of the common-rail fuel system. VOLVO TRUCKS SOUND L6 1.38
The "L6" designation refers to the straight-six engine configuration, a staple of Volvo's heavy-duty lineup like the FH series. For the 1.38 update, these mods typically include: : Locate a reputable source like the SCS