TheBeeMans SD40-2 V4.4.2
🟡 Updated this yearThis mod may not work until the author updates it. Check for an update, or see the rollback guide.
Preview
🔍 Analysis
- 👍 2.0% endorsement rate — high engagement, a strong quality signal
- 🏆 #8 of 185 Locomotives mods in this game by downloads
📋 About This Mod
Welcome in! If you would like to support me, consider joining my Patreon! My Patreon allows for early access to new locomotives, railcars, scripts and 1 on 1 communication with me! This is the best place to submit ideas requests! TheBeeMansWorkshop - Patreon
(Right now Patreon beta members get access to two upcoming models, the SD40-2 Southern Long Hood and the SD40-2B unit)
This is the long requested, SD40-2. Built on similar systems as the GP38 and GP40, it boasts tons of detail and simulation. Some of the things to expect from this mod:
- []Sand and Wheelslip simulation
[
]Transition Simulation[]Power Derate due to wheelslip simulation
[]Completely reworked locomotive simulation, SD40-2 power ratings and tractive effort is based off of NASA documents
[]Fully Customizable, just like the GP38 and GP40
[]Custom horn audio with the ability to disable its override for Railloader
[]Engine and Traction motor failure, this is now linked to condition and only happens below 30%
[]Fully intractable controls
[]AI overrides that allow the locomotive to be controlled normally by AI. Eliminating issues with AI. This happens automatically
[]AI controlled lights, such as ditch lights are now controlled in the UMM menu by pressing Shift+f10
- Locomotives now spawn, start and set themselfs up for running conditions, this can be changed in UMMs Shift+F10 menu.
AS ALWAYS, THESE MODS ARE BUILT FOR UNITY MOD MANAGER
TheBeeMans SD40-2 V4.4.2 is a fully scripted locomotive mod for Derail Valley, featuring detailed gameplay systems like wheelslip and sanding, full customization, custom audio, and extensive detail. It comes from the same author as the GP38 and GP40 mods, with 167 endorsements and 8,526 downloads.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid community backing with 167 endorsements and over 8.5k downloads.
- From the same author as the popular GP38 and GP40 mods, so you know the quality is there.
- Packed with unique features like wheelslip and sanding that add real depth to driving.
⚠️ Cons
- No explicit compatibility info, so it might clash with other locomotive mods or scripts.
- Heavy scripting could hit performance on lower-end rigs.
- If you're not into hardcore simulation, the extra systems might feel like overkill.
For Derail Valley players who want a highly detailed, feature-rich locomotive with realistic physics and customization. If you're a fan of the author's GP38 or GP40, this is a must-have. Skip if you prefer simple, plug-and-play trains without complex systems.
💡 Beginner Tips
- Make sure you have the latest version of the game and any required mod loader (like BepInEx) installed before adding this mod.
- Test the wheelslip and sanding systems in a low-speed scenario first to get a feel for how they affect handling.
- Check the mod's page for any optional patches or compatibility notes if you run other locomotive mods.
📊 Mod Details
- Game
- Railroader Mods
- Author
- TheBeeMan94
- Version
- 4.4.2
- Downloads
- 8,526
- Endorsements
- 167
- Category
- Locomotives
- Created
- 7/28/2025
- Updated
- 1/23/2026
🔧 How to Install Railroader Mods
Download from Nexus Mods.
📖 Full step-by-step install guide for Railroader →
Visit the official mod page for specific installation instructions for this mod.
🎮 Need cheat codes or console commands? Check ur gaming wiki for Railroader commands, item IDs, and more.
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