AHM Big Boy 4-8-8-4

Built by Rivarossi for AHM, this HO Union Pacific 4-8-8-4 “Big Boy” originally sold for $49.95 and was introduced in 1967. By 1980, AHM was listing this model at $389.98.

AHM’s Big Boy 4-8-8-4 Roster

Union Pacific Big Boy 4-8-8-4

No. 5115 -1967 release
No. 5114
No. 5114-02
No. 17581