V (Dry Van)    
F (Flatbed)    
R (Reefer)
SD (Step Deck/Single Drop)    
DD (Double Drop)  
RGN (Removable Gooseneck)
MX (Maxi Flat)    
VV (Van+Vented)  
VA (Van+Airride)
VINT (Van+Intermodal)
FINT (Flat+Intermodal)
RINT (Reefer+Intermodal)
CV (Curtain Van)
CONT (Container)
HS (Hotshot)   
CRG (Cargo Van)   
DT (Dump Trailer)
AC (Auto Carrier) 
HB (Hopper Bottom)   
TNK (Tanker)
LB (Lowboy)    
LA (Landall)   
FS (Flat+Sides)
FT (Flat+Tarp)   
PO (Power Only)
O (Other)