41Y2M34567891011121314151617
4YMCarry-On Trailer, Commander Trailers, Great Timber Trailers, Moss Creek Trailers, Patriot, Trail Marshal and Wolftrack Trailers trailers
Held by Carry-On Trailer, Inc. · registered in the United States
WMI 4YM is the only three-character WMI in the catalog for the Carry-On Trailer make. It covers seven makes: Carry-On Trailer, Commander Trailers, Great Timber Trailers, Moss Creek Trailers, Patriot, Trail Marshal and Wolftrack Trailers. It was added to vPIC on June 21, 2016. Its rules start at model year 2001 and have no end year.
Models in the decoding rules, by model year
- Kit Trailer2001–2015
- Carry-On Trailer2016–2027
- Commander Trailers2026–2027
- Great Timber Trailers2026–2027
- Moss Creek Trailers2026–2027
- Patriot2026–2027
- Trail Marshal2026–2027
- Wolftrack Trailers2026–2027
Where the rules place assembly
Plant countryUnited States
Plant locations namedWinnemucca; Montross; Missouri Valley; Mexia; Laonia; Coberg; Middlebury; Elkhart; Madill; Mt. Pleasant; Coburg; Liberty; Mt. Orab; Callao and 3 more
Bodies and power
Body classesTrailer
Other codes starting with 4Y
- 4YASullivan Palatek, trailer
- 4YBRocket International, trailer
- 4YDKeystone RV, trailer
- 4YKBlack Hawk Trailers, trailer
- 4YNAnderson Manufacturing, trailer
- 4YPLoadmaster Aluminum Boat Trailers, trailer
- 4YSL&D Trailer Mfg, trailer
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.