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Reefer trailer sound addon for ETS2

Hear the seamless white noise of a reefer trailer!

This mod adds the definition files to activate the Sound Fixes Pack reefer sounds for reefer trailers by SCS Software.

There are some trade-offs due to reefer sounds not being a standard feature in the game yet.
Nevertheless, a lot of limitations have been overcome to allow more freedom and less hassles. Read below for details:


1. Enable this addon and the Sound Fixes Pack. Make sure the Sound Fixes Pack has high priority in the Mod Manager.
2. Other road / trailer tire sound mods must be disabled.



The refrigerated trailer will beep and its engine will startup after coupling the trailer.
The reefer will continue to run as you drive and you can hear the hum of it from the truck interior.
As there are multiple reefer engine sounds supported, the reefer engine sound may be different depending on the trailer.

The mod relies on the trailer tire sound to carry the reefer sound.
The sound event will stop after decoupling the trailer.

See compatibility section for what modes the functionality will work.

For any owned reefer trailer, there is a workaround built in to the Sound Fixes Pack to enable the reefer sound.
The reefer startup sound effect is not supported with the workaround option.

Some roads may not be supporting trailer tire sounds, hence why the reefer sound might not work there.

If this happens, driving offroad into the grass or gravel usually gets the reefer sound loop working again successfully.


1. Go into the Audio settings.
2. In the voice navigation menu, select "~ Function - Force enable reefer sound".
3. Click the Preview button.
4. Select a different voice navigation option OR uncheck the voice navigation, then drive to hear the reefer sound.
5. If you want to turn off the reefer sound, detaching the trailer will work in most cases. Otherwise restart the game.




1. Base game reefer trailers
2. Schwarzmüller Trailer Pack DLC reefer trailers
3. Krone Trailer Pack DLC Cool Liner trailers
4. TIRSAN Trailer Pack DLC SRI trailers
5. Schmitz Cargobull Trailer Pack DLC S.KO Cool trailers
6. Kögel Trailer Pack DLC Cool trailers




☑️ Freight Market: Confirmed to work
☑️ External Contracts: Confirmed to work.
☑️ Quick Jobs: Can work, but you need to disconnect and reconnect the trailer to start the cycle.
⚠️ Ownable Trailers: Confirmed to work with: Supported DLC trailers only.
You can use the voice navigation workaround for unsupported reefer trailers but it won't include the startup sound effect.

Game versions: 1.57, 1.56 and 1.55
Sound Fixes Pack required for the functionality.

If you want to configure the sounds to work with a different reefer trailer mod, check out the modding guide here:
https://forum.scssoft.com/viewtopic.php?f=201&t=299112


1. The Trailer Noise slider controls the sound volume of the reefer startup noise and the reefer sound loop.
2. It is recommended to have the slider at 50%.

This addon will remain on the Steam Workshop while we wait for reefer sounds to be implemented into the game officially

You can get the American Truck Simulator addon for this here: https://steamcommunity.yuanyoumao.com/sharedfiles/filedetails/?id=2655269057