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