Lionel 2523110 O Gauge US NAVY RS-3 LionChief Freight Train Set Pan Am Railways They were originally classed as

They were originally classed as HTjr denoting the covered roof

With metal wheels

and the appendages are made of soft PVC material to better protect the model

Diesel Features:

affordable and thoroughly dependable

Lionel 2523110 O Gauge US NAVY RS-3 LionChief Freight Train Set Pan Am Railways They were originally classed asLionel 2523110 O Gauge US NAVY RS 3 LionChief Freight Train Set Thanks to Congress passing a resolution in 1774 that was ultimately signed by President Washington, the Navy was officially established in October of 1775. Honoring its rich tradition to protect the Homefront, this set features a rescue submarine, derrick car and illuminated caboose. INCLUDES: RS3 diesel Locomotive Flatcar with Submarine Derrick Car Caboose Eight pieces of O36 curved