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.SII File Extension

File Type18 Wheels of Steel: Haulin' Truck Definition File

DeveloperSCS Software
4.3 (106 Votes)
CategoryGame Files

What is a SII file?

Data file used by 18 Wheels of Steel: Haulin', a truck driving game; contains properties for a truck, such as the engine class; saved in a plain text format and often altered for creating custom truck configurations.

More Information

SII files can also contain a list of referenced truck files for the game. For example, the file truck_storage.sii contains the list of truck definition files and can be extended to add new trucks. It is saved in a plaint text format.

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Programs that open SII files

Updated 3/1/2011

About SII Files

Our goal is to help you understand what a file with a *.sii suffix is and how to open it.

The 18 Wheels of Steel: Haulin' Truck Definition file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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