Union Pacific 3985
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Union Pacific Challenger redirects here. For the named passenger train, see Challenger (passenger train).
Power type | Steam |
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Configuration | 4-6-6-4 |
Gauge | 4 ft 8½ in (1435 mm) |
Career | Union Pacific |
Number | 3985 |
Nicknames | "Challenger" |
Disposition | operates in occasional excursion service |
Union Pacific 3985 or UP 3985 is a 4-6-6-4 steam locomotive owned by Union Pacific Railroad. It is the largest operating steam locomotive in the world. It was originally retired and placed on display, but later a group of UP volunteers overhauled it and returned it to operable condition. It is now used for excursion trains and occasionally mainline freight. It is one of only two "Challenger" types in existence, the other being UP 3977 on display in North Platte, Nebraska.
[edit] External links
- Challenger UP3985 - official website maintained by Union Pacific Railroad
- UP 3985 Challenger, Steam Locomotive - photos and additional information
Historic/preserved locomotives owned by Union Pacific | |
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Steam locomotives: | 844 (4-8-4) · 1243 (4-6-0) · 3985 (4-6-6-4) |
Diesel locomotives: | 951 (E9) · 1234 (SW10) · 6936 (DDA40X) |