2210 Locomotives. Note-This class includes only complete
locomotives and tenders. End items, assemblies, parts, attachments, or accessories for use in or on locomotives and tenders are classified in classes other than this class.
Excludes Self-Propelled Cars.

2220 Rail Cars. Note-This class includes only complete rail cars. End items, assemblies, parts, attachments, or accessories for use in or on rail cars are classified in classes other than this class. Includes Trailed Cars; Self-Propelled Cars. Excludes Aerial Tramway Cars.

2230 Right-of-Way Construction and Maintenance Equipment, Railroad. Includes Rail Laying, Joining and Shifting Equipment; Self-propelled and Car Mounted Cranes. Excludes Hand Tools (FSG 51).

2240 Locomotive and Rail Car Accessories and Components
Includes Brake Beams and Components; Couplers; Trucks and Components; Journals and Components; Wheel Sets and Components. Excludes Railroad Furniture (FSG 71).

2250 Track Material, Railroad
Includes Railroad Rails; Railroad Tie Plates; Railroad Turnouts and Components; Railroad Spikes. Excludes Ballast (FSC 5610); Railroad Ties (FSC 5510).