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13SSundowner trailers
Held by Sundowner Trailers, Inc. · registered in the United States
WMI 13S is the only three-character WMI in the catalog for the Sundowner make. Its rules start at model year 1981 and have no end year.
Models in the decoding rules, by model year
- Dolly1981–2027
- Steel1981–2027
- Sunlite1981–2027
- Sunlite Living Quarters1981–2027
- ValueLite1981–2027
- ValueLite Living Quarters1981–2027
Where the rules place assembly
Plant countryUnited States
Plant locations namedColeman
Bodies and power
Body classesTrailer
Other codes starting with 13
- 130Lightline Products, trailer
- 137AM General, multipurpose passenger vehicle
- 138Travalong, trailer
- 13DDixie Craft Trailers, trailer
- 13EAllen Manufacturing Systems, trailer
- 13KD & P Welding, trailer
- 13NFontaine Commercial Trailer, trailer
- 13TCarriage, trailer
- 13UBesTrailers, trailer
- 13WWolverine Western, incomplete vehicle
- 13XJ-10 Trailers, trailer
- 13YStarlite Trailers, trailer
- 13ZParker Trailer Sales, trailer
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.