UP 113218, Union Pacific Railroad, Ship & Travel the Automated Rail Way, BF-50-2, YER. 2-70 Athearn 40' bulk grain loading boxcar stock#2095 released in 1970, reworked by the poster
UP 127120, Union Pacific Railroad, automated rail way, Cushioned Load, BF-50-10, AT 3-73 Athearn-Roundhouse 40' grain box car stock#RND14506 (retail $23.99), modified by the poster