20       20 ft. IL Container (Open Top)
2B       20 ft. IL Container (Closed Top)
2D       Control Unit
2E       Helper Unit
2F       Roadrailer
2G       Cut-in Helper
40       40 ft. IL Container (Open Top)
4B       40 ft. IL Container (Closed Top)
AC       Closed Container
AF       Air Freight (Break Bulk)
AL       Container, Aluminum
AP       Aircraft
AT       Closed Container (Controlled Temperature)
BC       Covered Barge
BE       Bilevel Railcar Fully Open
BF       Bilevel Railcar Fully Enclosed
BG       Bogie
BH       Bilevel Railcar Screened With Roof
BJ       Bilevel Railcar Screened, No Roof
BK       Container, Bulk
BO       Barge Open
BR       Barge
BX       Boxcar
CA       Caboose
CB       Chassis, Gooseneck
CC       Container resting on a Chassis
CD       Container with Bag Hangers
CG       Container, Tank (Gas)
CH       Chassis
CI       Container, Insulated
CJ       Container, Insulated/Ventilated
CK       Container, Heated/Insulated/Ventilated
CL       Container (Closed Top - Length Unspecified)
CM       Container, Open-Sided
CN       Container
CP       Coil Car Open
CQ       Container, Tank (Food Grade-Liquid)
CR       Coil-Car Covered
CS       Container-Low Side Open Top
CT       Container-High Side Open Top
CU       Container (Open Top - Length Unspecified)
CV       Closed Van
CW       Container, Tank (Chemicals)
CX       Container, Tank
CZ       Refrigerated Container
DD       Double-Drop Trailer
DF       Container with Flush Doors
DT       Drop Back Trailer
DX       Boxcar, Damage Free Equipped
ET       End of Train Device
FF       Frozen Food Trailer
FH       Flat Bed Trailer with Headboards
FN       Flat Bed Trailer with No Headboards
FP       Flatcar With Pedestal
FR       Flat Bed Trailer - Removable Sides
FS       Container with Floor Securing Rings
FT       Flat Bed Trailer
FX       Boxcar Cushion Under Frame OF
GS       Generator Set
HB       Container with Hangar Bars
HC       Hopper Car (Covered)
HO       Hopper Car (Open)
HP       Hopper Car (Covered; Pneumatic Discharge)
HT       Head of Train Device
HV       High Cube Van
HY       Hydrant-Cart
ID       Idler Car
IX       Boxcar (Insulated)
LO       Locomotive
LS       Half Height Flat Rack
LU       Load/unload Device on Equipment
NX       Boxcar (Interior Bulkheads)
OB       Ocean Vessel (Break Bulk)
OT       Open-top/flatbed trailer
OV       Open Top Van
PL       Container, Platform
PP       Power Pack
PT       Protected Trailer
PU       Pick-up Truck
RA       Fixed-Rack, Flat-Bed Trailer
RC       Refrigerated (Reefer) Car
RD       Fixed-Rack, Double Drop Trailer
RE       Flat Car (End Bulkheads)
RF       Flat Car
RG       Gondola Covered
RI       Gondola Car (Covered - Interior Bulkheads)
RO       Gondola Car (Open)
RR       Rail Car
RS       Fixed-Rack, Single-Drop Trailer
RT       Controlled Temperature Trailer (Reefer)
SA       Saddle
SC       Service Car
SD       Single-Drop Trailer
SK       Stack Car
SL       Container, Steel
SR       STAK-RAK
SS       Container with Smooth Sides
ST       Removable Side Trailer
SV       Van - Special Inside Length, Width or Height Requirements
TA       Trailer, Heated/Insulated/Ventilated
TB       Trailer, Boat
TC       Trailer, Car
TF       Trailer, Dry Freight
TG       Trailer, Tank (Gas)
TH       Truck, Open Top High Side
TI       Trailer, Insulated
TJ       Trailer, Tank (Chemicals)
TK       Trailer, Tank (Food Grade-Liquid)
TL       Trailer (not otherwise specified)
TM       Trailer, Insulated/Ventilated
TN       Tank Car
TO       Truck, Open Top
TP       Trailer, Pneumatic
TQ       Trailer, Electric Heat
TR       Tractor
TT       Telescoping Trailer
TU       Truck, Open Top Low Side
TV       Truck, Van
TW       Trailer, Refrigerated
UA       Trilevel Railcar 20 Feet
UB       Trilevel Railcar Screened, Fully Enclosed
UC       Trilevel Railcar Screened, With Roof
UD       Trilevel Railcar Screened, No Roof
UE       Trilevel Railcar Screened, With Doors, No Roof
UL       Unit Load Device (ULD)
UP       Container, Upgraded
VA       Container, Vented
VE       Vessel, Ocean
VL       Vessel, Lake
VR       Vessel, Ocean, Rollon-Rolloff
VS       Vessel, Ocean, Lash
VT       Vessel, Ocean, Containership
WR       Container with Wavy or Ripple Sides
WY       Railroad Maintenance of Way Car