51T 51U 51V 51X 51Z
Monaco RV, LLC
Monaco RV, LLC's codes decode five makes: Holiday Rambler, McKenzie, Monaco, Monaco RV and R-Vision. Its decoding rules reach back to model year 2009.
Model years covered by each code
One bar per three-character code, grouped by the vehicle type NHTSA lists for it. Bars reaching 2027 include rules with no end year.
Trailers 4
- 51T2009–2027
- 51U2009–2027
- 51V2009–2027
- 51X2009–2027
Incomplete vehicles 1
- 51Z2009–2027
Every code, side by side
| Code | Vehicle type | Makes | Model years | Models | Plant countries |
|---|---|---|---|---|---|
| 51T | trailers | Monaco | 2009–open | 1 | United States |
| 51U | trailers | Holiday Rambler | 2009–open | 1 | United States |
| 51V | trailers | R-Vision | 2009–open | 1 | United States |
| 51X | trailers | McKenzie | 2009–open | 1 | United States |
| 51Z | incomplete vehicles (chassis) | Monaco RV | 2009–open | 1 | United States |
Models found under the most codes
Model, model years across all codes, and how many of the codes name it
- Holiday Rambler2009–2027 · 1 code
- McKenzie2009–2027 · 1 code
- Monaco2009–2027 · 1 code
- Monaco RV2009–2027 · 1 code
- R-Vision2009–2027 · 1 code
Codes per make
Number of Monaco RV codes that decode each make
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.