MapsJava
Union Pacific Big Boy #4020 & FEF-3 1.5:1 scale Semi-functional
Minecraft Java map. Download on the author's site.
⬇ DownloadTwo detailed, 1.5:1-scale recreations of Union Pacific steam locomotives in Minecraft Java Edition.
Featured locomotives:
Working features:
Built with Minecraft redstone and command blocks to recreate the appearance, sounds, and operation of these historic locomotives.
Instructions: Spawn at the designated platform, explore both locomotives, and use the labeled controls to test their functions.
Featured locomotives:
Union Pacific Big Boy No. 4020
Union Pacific FEF-3 No. 844
Working features:
Interactive cab controls
Custom note-block whistles inspired by the real locomotives
Working Big Boy bell
Steam effects from the smokestacks
Cylinder steam effects
Whistle steam effects
Functional headlights and reverse lights
Dedicated visitor spawn platform
Built with Minecraft redstone and command blocks to recreate the appearance, sounds, and operation of these historic locomotives.
Instructions: Spawn at the designated platform, explore both locomotives, and use the labeled controls to test their functions.
Quick facts
- Edition: Minecraft Java
- File type: .zip (world save)
- How to install: Download the .zip world. → Unzip it. → Move the folder into .minecraft/saves.
- Where to get it: Opens on the file's original source — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java maps & worlds walks through it step by step.
Union Pacific Big Boy #4020 & FEF-3 1.5:1 scale Semi-functional is a free Minecraft Java map. Download it and open it directly in the game.