Because these structures have been in use since the late 1800s

Coupling hook

including the bold UP logo

Trainz Product Id: 11470259

Athearn 22900 N Union Pacific Big Boy 4-8-8-4 Steam Loco&Tender w/DCC/SND #4005 ProductID_12284633 Because these structures have beenThis is an Athearn 22900 N Union Pacific Big Boy 4 8 8 4 Steam Locomotive & Tender w DCC SND #4005. It Features: Boiler backhead with full detailing, Individually applied piping, valves, generators, etc., Correctly operating eccentric cranks, Headlights and number boards with directional light change, Tender light, Five pole, skewed armature motor with dual flywheels, Pivoting front and rear engines for negotiating 11 radius curves 15 radius