Trix 22163 (HO) Union Pacific Railroad (UP) class 4000 "Big Boy" 4014 - DCC/sound
Factory-installed RP 25 wheels and Kadee-compatible couplers
Prototype: Union Pacific Railroad (UP) class 4000 "Big Boy" heavy freight locomotive. Version with oil firing. Road number 4014. The locomotive looks as it did in 2019, operational and restored by Union Pacific.