Model Number: 20000417

and cardboard building kit

Trainz Product Id: 12376614

Model Number: 20300

MTH 70-3016-1 G Scale Union Pacific 4-6-6-4 Challenger Steam Loco & Tender w PS2 ProductID_11456574 Model Number: 20000417This is an MTH 70 3016 1 Union Pacific 4 6 6 4 Challenger Steam Engine w Proto Sound 2. 0, (Yellow Stripes) Cab No. 3980. In the midst of the Great Depression, Union Pacific designed and asked ALCO to build the best high speed simple articulated engines to grace American rails. The 4 6 6 4 Challenger first appeared on UP rails in 1936, and it was clear from the beginning that it could handle tremendous tonnage at high speeds. Although the Challenger