BLI 4984 4-6-6-4 Challenger Steam Locomotive Oil Tender Union Pacific Two Tone Gray UP #3977 UniTrack - Viaduct 941 in w x 10

941 in w x 10

Piece Count: 60

100% Fully Assembled and Ready-To-Race®

Bachmann 44815 N Scale E-Z Track 10" Straight (6)

BLI 4984 4-6-6-4 Challenger Steam Locomotive Oil Tender Union Pacific Two Tone Gray UP #3977 UniTrack - Viaduct 941 in w x 10BLI 4984 4 6 6 4 Challenger Steam Locomotive Oil Tender Union Pacific Two Tone Gray UP #3977 The Union Pacific Challengers were a type of simple articulated 4 6 6 4 steam locomotive built by American Locomotive Company for the Union Pacific. 105 of these locomotives were built between 1936 and 1943. The Challengers were about 122 ft (37 m) long and weighed 284,800 kg. Primarily in freight service, they operated over most of the Union Pacific system. A