4-6-6-4/Gallery

== Gallery: ==
Clinchfield E3 Class Challenger.jpg|An example of an E3 class challenger built for the Clinchfield railroad.
Ne242.jpg|UP 3977 On Static Display at Cody Park.
Rt1560.jpg|Delaware & Hudson No. 1501 hauling a freight train.
Early Challenger.jpg|An Early 4-6-6-4 Challenger.
The Golden Challenger.jpg|Union Pacific 3985 an example of a Challenger that operates on the Union Pacific.
3800.jpg|An early Union Pacific Challenger.
Delaware & Hudson No 1508 locomotive.webp|Delaware & Hudson No. 1508 an example of a Challenger that operates on the Delaware & Hudson.
WesternMaryland1203.jpg|Western Maryland No. 1203 an example of a Challenger that operates on the Western Maryland.
Up3982.jpg
UP20Challenger203967.jpg
Ccc1ed1f87fe5a76b8f42104d3920aab.jpg|Union Pacific #3708 is taking on oil.
Union Pacific No. 3984.jpeg
File:Eighty-Four-Forty-Four0014.png
Union Pacific 3983.jpeg
ATHG97244-2.jpg
UP3827.jpg
C52BF8B1-668E-416C-AD20-2B30BFCFA138.jpeg
Up-challenger-3818-768x403.jpg
Category:Galleries