37430 - Railroad equipment (Miscellaneous)
37431 - Locomotives, both New & Rebuilt & Parts
3743101 - - Locomotives, both New & Rebuilt
3743103 - - Parts for Locomotives
3743111 - - Parts for Locomotives: Airbrake equipment
3743112 - - Parts for Locomotives: other Brake equipment
3743113 - - Locomotives, Underground mine: Trolley (Electric)
3743114 - - Locomotives, Underground mine: Battery
3743115 - - Parts for Locomotives: Truck assemblies
3743116 - - Locomotives, Underground mine: Diesel
3743117 - - Parts for Locomotives: Hooks & other Coupling devices, Buffers & Parts thereof
3743118 - - Parts for Locomotives: other Locomotive parts, except wheels
3743130 - - Locomotives: all types, except mining
3743160 - - Locomotives: Mining type
3743163 - - Underground mine trolley (Electric) locomotives
3743164 - - Underground mine battery-powered locomotives
3743166 - - Underground mine diesel locomotives
3743172 - - Parts for Locomotives: Air brake equipment
3743179 - - Parts for Locomotives: other Locomotive parts, except wheels & Axles
3743199 - - Locomotives, New & Rebuild & Parts (Miscellaneous)
37432 - Passenger & Freight train cars, New (excl parts)
3743211 - - Freight train cars, Box (AAR types A, B)
3743215 - - Freight train cars, Flat (AAR types F, V)
3743225 - - Freight train cars, Gondola (AAR types E, G)
3743231 - - Freight train cars, Hopper, Open (AAR types H, J)
3743233 - - Freight train cars, Hopper, Covered (AAR types L, O)
3743235 - - Freight train & Passenger train hopper cars, Open & Covered (AAR types L, O, H, J) New, excl parts
3743241 - - Freight train cars, Tank (AAR type T)
3743250 - - Freight train cars + Refrigerator cars & Industrial rail cars: Suitable for Common carrier service (+ Caboose)
3743252 - - Freight train cars + Refrigerator cars & Industrial rail cars: not Suitable for Common carrier service
3743263 - - Passenger train cars, New
3743265 - - Other Freight train & Passenger train cars, New, excl parts
3743299 - - Passenger & Freight train cars, New (Miscellaneous)
37433 - Street, Subway, Trolley & Rapid transit cars, all rebuilt rail cars & Parts for all rail cars
3743301 - - Rebuilt passenger & Freight train cars
3743302 - - Self-propelled streetcars, Subway cars, Rapid transit cars, Trolley buses, etc.
3743303 - - Nonself-propelled streetcars, Subway cars, Rapid transit cars, Trolley buses, etc.
3743304 - - Other Work & Service railroad vehicles (excl locomotive cranes)
3743305 - - Self-propelled & Nonself-propelled streetcars, Subway cars, Rapid transit cars, Trolley buses, etc.
3743311 - - Airbrake equipment for Railroad & Streetcars
3743312 - - Other Brake equipment for Railroad & Streetcars
3743313 - - Parts & Accessories for Railroad & Streetcars: Truck assemblies
3743314 - - Hooks & other Coupling devices, Buffers & Parts thereof for Railroad & Streetcars
3743315 - - Parts & Accessories for Railroad & Streetcars: other Railroad & Streetcar parts & Accessories
3743319 - - Other Railroad & Streetcar parts & Accessories, incl Truck assemblies
3743341 - - Rebuilt passenger & Freight train cars
3743361 - - Self-propelled street cars, Subway cars, Rapid transit cars, Trolley buses, etc.
3743362 - - Nonself-propelled street cars, Subway cars, Rapid transit cars, Trolley buses, etc.
3743369 - - Work & Service railroad vehicles (General, excl locomotive cranes)
3743371 - - Parts & Accessories for Railroad & Street cars: Airbrake equipment
3743379 - - Parts & Accessories for Railroad & Street cars: other Railroad & Street car parts & Accessories
3743399 - - Street, Subway, Trolley & Rapid transit cars, all rebuilt rail cars & Parts for all rail cars (Miscellaneous)
3743XX0 - - Railroad equipment (Miscellaneous - Volume)
3743XX2 - - Railroad equipment (Miscellaneous - Speciality)