Among its railroad items are:
Aerotrain No.
3
The only surviving Milwaukee Road class EP-2 Bi-Polar Electric
Union Pacific Big Boy #4006
Norfolk & Western Y6a class 2-8-8-2 No.
2156 (Moved to the Virginia Museum of Transportation in Roanoke, Virginia, on a 5-year loan from May 2015 until June 2020)
Union Pacific Centennial #6944 (sent to Altoona in 2014 for restoration and has returned)
Southern Pacific class GS-6 "War Baby"" #4460
The only surviving EMC 1800 hp B-B locomotive, the former Baltimore and Ohio Railroad #50
EMD FT #103, the first F-unit built, a National Engineering Landmark
Delaware, Lackawanna, and Western 4-4-0C #952, one of two DL&W steam locomotives and one of five Camelbacks in existence.

Erie Lackawanna EMD SD45 #3607
Missouri-Kansas-Texas 4-4-0 #311, the sole surviving M-K-T steam locomotive
Chicago & Illinois Midland 2-8-2 #551, the sole surviving C&IM steam locomotive
Ferrovie dello Stato Italiane (Italian State Railroad) E550.025 electric locomotive
New York Central 4-8-2 #2933, one of two surviving examples of large NYC steam power
Wabash 2-6-0 #573, one of only two Wabash steam locomotives in existence
Union Pacific 900081, a rotary snowplow
The Whale, largest tank car ever built
a PRR P5 electric locomotive #4700
Chicago, Burlington and Quincy Railroad #9908 Silver Charger, the locomotive of the General Pershing Zephyr
Frisco 1522, used in excursion service from 1988 to 2002.

Frisco 1621, a sister to 1630 at the Illinois Railway Museum in Union, Illinois
a PRR GG1 electric locomotive #4918
Among its railroad items are:
Aerotrain No. 3
The only surviving Milwaukee Road class EP-2 Bi-Polar Electric
Union Pacific Big Boy #4006
Norfolk & Western Y6a class 2-8-8-2 No. 2156 (Moved to the Virginia Museum of Transportation in Roanoke, Virginia, on a 5-year loan from May 2015 until June 2020)
Union Pacific Centennial #6944 (sent to Altoona in 2014 for restoration and has returned)
Southern Pacific class GS-6 "War Baby"" #4460
The only surviving EMC 1800 hp B-B locomotive, the former Baltimore and Ohio Railroad #50
EMD FT #103, the first F-unit built, a National Engineering Landmark
Delaware, Lackawanna, and Western 4-4-0C #952, one of two DL&W steam locomotives and one of five Camelbacks in existence.
Erie Lackawanna EMD SD45 #3607
Missouri-Kansas-Texas 4-4-0 #311, the sole surviving M-K-T steam locomotive
Chicago & Illinois Midland 2-8-2 #551, the sole surviving C&IM steam locomotive
Ferrovie dello Stato Italiane (Italian State Railroad) E550.025 electric locomotive
New York Central 4-8-2 #2933, one of two surviving examples of large NYC steam power
Wabash 2-6-0 #573, one of only two Wabash steam locomotives in existence
Union Pacific 900081, a rotary snowplow
The Whale, largest tank car ever built
a PRR P5 electric locomotive #4700
Chicago, Burlington and Quincy Railroad #9908 Silver Charger, the locomotive of the General Pershing Zephyr
Frisco 1522, used in excursion service from 1988 to 2002.
Frisco 1621, a sister to 1630 at the Illinois Railway Museum in Union, Illinois
a PRR GG1 electric locomotive #4918
Museum of Transportation