Train Simulator: Union Pacific Heavy Challenger Steam Loco Add-On
Developer SmokeboxPublisher Dovetail Games
The last decades of the steam era in America produced many of the largest, best, and most extraordinary locomotives ever to grace steel rails – and among these landmark locomotives was Union Pacific’s magnificent 3900-class 4-6-6-4 “Challenger.”
Updated Oct 19, 2026.
Updated Oct 19, 2026.
Metadata synced: Aug 21, 2026 · Not queued
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Rank History
Recent appearances for this app across complete public snapshots.
| Captured | Top Sellers | Wishlist Rank |
|---|---|---|
| Aug 25, 2026 | #9,008 | - |
| Aug 20, 2026 | #5,528 | - |
| Aug 9, 2026 | #7,574 | - |
| Aug 3, 2026 | #8,857 | - |
| Aug 1, 2026 | #6,953 | - |
| Jul 27, 2026 | #5,735 | - |
| Jul 26, 2026 | #4,232 | - |
| Jul 18, 2026 | #4,968 | - |
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