Model Number: 20-91262

Trainz Product Id: 12059680

Model Number: 500098

and California

Athearn 22928 N Union Pacific 4-6-6-4 Challenger Loco & Tender w/DCC/SND #3984 VariantsUnitPrice_number_84.25 Model Number: 20-91262This is an Athearn 22928 N Union Pacific 4 6 6 4 Challenger Locomotive & Tender w DCC SND #3984. It Features: Boiler backhead with full detailing, Individually applied piping, valves, generators, etc. Includes all parts appropriate to this prototype (undec units only), 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