EMD DDA40X
🟡 Updated this yearPreview

🔍 Analysis
- 👍 2.5% endorsement rate — high engagement, a strong quality signal
- 🏆 #121 of 191 Locomotives mods in this game by downloads
📋 About This Mod
Adds DDA40X
The EMD DDA40X, was a 6,600 hp (4,922 kW) diesel-electric locomotive of D-D wheel arrangement built by General Motors Electro-Motive Division exclusively for the Union Pacific Railroad. It is the most powerful diesel–electric locomotive model ever built on a single frame, having two 16-645E3A diesel prime movers.
2K Textures. Colorization options. Working Class Lights.
DD40X Stats
:Starting Tractive Effort - 136,000
Weight - 545,432 lb's
Price - $90,000
Fuel Capacity - 8200 Gallons
Known Issues:
1. Use Build menu to choose colors.
2. Cab interior is fairly basic.
3. Doors are not animated.
How To Install:
Drag and drop into Unity mod manager after all requirements have been downloaded.
Requirements:
1. EMD GP38 Scripts - https://www.nexusmods.com/railroader/mods/143
2. Asset Loader - 1. 0. 1 - https://www.nexusmods.com/railroader/mods/42
3. Salty's And Freeman's Truck Project - https://www.nexusmods.com/railroader/mods/838
4. legotrainman's Better Rolling Stock - https://www.nexusmods.com/railroader/mods/966
5. legotrainman's Library of Stuff (Latest Version - 1. 4. 5) - https://www.nexusmods.com/railroader/mods/303
Credits:
Thank you to SaltyCanadian2773, Embed, itsatrexxy, and , Latoms for all the help.
Assets
- Meszagyuri, SirBoopyDoopy, Rex, and Salty.📊 Mod Details
- Game
- Railroader Mods
- Author
- Freeman
- Version
- 1.3
- Downloads
- 1,187
- Endorsements
- 30
- Category
- Locomotives
- Created
- 3/18/2026
- Updated
- 5/18/2026
🔧 How to Install Railroader Mods
Download from Nexus Mods.
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Visit the official mod page for specific installation instructions for this mod.
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