Santa Fe - American Locomotives Public Beta 1.0.48 is a beta file of the Minecraft resource pack Commonwealth Limited - American Diesels - IR, made for Minecraft 1.12.2. It was published on May 22, 2023 and is 281.2 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Commonwealth Limited - American Diesels - IR resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.