mmmpack v1 is a beta file of the Minecraft mod Moonspire Metro Motors Pack for IV(MTS), made for Minecraft 1.12.1, 1.12, 1.10.2, 1.11, 1.11.1, 1.11.2, 1.12.2. It was published on October 18, 2018 and is 0.5 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 Moonspire Metro Motors Pack for IV(MTS) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.