Built by the thousands from 2012 the TrinityRrail 31,000 Crude Oil Tank Cars are a prominent part of the crude oil shipments across North America. With the recent developments and oil extraction, mile-long unit trains of these duty specific cars - complete with visually unique end shields are running to nearly all corners of the country. With oil demand and output at an all-time high levels, thousands of these cars have been built over eight reporting marks, with much more to come.

 Product & Road Numbers
- #20001 - TILX (black) #350321
- #20002 - TILX (black) #350323
- #20003 - TILX (black) #350344
- #20004 - TILX (black) #350363
- #20005 - TILX (black) #350371
- #20006 - TILX (black) #350389
- #20007 - TILX (black) #350395
- #20008 - TILX (black) #350402
- #20009 - TILX (black) #350411
- #20010 - TILX (black) #350428
- #20011 - TILX (black) #350477
- #20012 - TILX (black) #350481
- #20013 - TILX (black) #350500
- #20014 - TILX (black) #350509
- #20015 - TILX (black) #350548
- #20016 - TILX (black) #350565
- #20017 - TILX (black) #350578
- #20018 - TILX (black) #350599
- #20019 - TILX (black) #350602
- #20020 - TILX (black) #350618
- #20021 - TILX (black) #350633
- #20022 - TILX (black) #350636
- #20023 - TILX (black) #350656
- #20024 - TILX (black) #350670