Multiple cabin configurations including the and sleeper variants.

Support for trailer cables, advanced coupling, and custom paint jobs.

Several secondary mods can be used to enhance the base Mack R: Steam Workshop::Mack R Series

: Includes authentic Mack E6 and E7 engines with realistic torque curves. It also features period-accurate transmissions, though some users note they are geared for historical 55 mph speed limits.

: Uses custom engine sounds (6v92, Mack E6) recorded by specialists like Kriechbaum and Trayscapes. Notable Add-ons

: Features a fully animated dashboard with custom-made gauges, switches, and high-quality chrome details. Customization Options :