Sc23557-fs22v1810.part1.rar -

: Files labeled like this are often large maps or complex machinery packs (like a John Deere or Case IH pack) because they are too large for a single archive.

: Likely refers to the version of the mod (1.8.1.0) or a specific update. sc23557-FS22v1810.part1.rar

: This is a "split" archive. You need all parts (Part 1, Part 2, etc.) in the same folder to extract the full mod successfully. : Files labeled like this are often large