1NK 1XK 2NK 2XK 3BK 3WK SFN
Kenworth Truck Company
Plants in four countries appear in Kenworth Truck Company's rules. It holds 7 WMIs in NHTSA's catalog, the 24th-highest count among 11,625 manufacturers. Its codes are registered in the United States, Canada, Mexico and the United Kingdom. Its decoding rules reach back to model year 1981.
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.
Trucks 4
- 1XK1981–2027
- 2XK1981–2027
- 3WK1981–2027
- SFN1981–2027
Incomplete vehicles 3
- 1NK1981–2027
- 2NK1981–2027
- 3BK1981–2027
Every code, side by side
| Code | Vehicle type | Makes | Model years | Models | Plant countries |
|---|---|---|---|---|---|
| 1NK | incomplete vehicles (chassis) | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| 1XK | trucks | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| 2NK | incomplete vehicles (chassis) | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| 2XK | trucks | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| 3BK | incomplete vehicles (chassis) | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| 3WK | trucks | Kenworth | 1981–open | 42 | Canada, United Kingdom, United States |
| SFN | trucks | Kenworth | 1981–open | 41 | Canada, United Kingdom, United States |
Models found under the most codes
Model, model years across all codes, and how many of the codes name it
- 5401981–2000 · 7 codes
- 5421981–2005 · 7 codes
- 548CH1981–2005 · 7 codes
- C5001981–2005 · 7 codes
- C5501981–2005 · 7 codes
- K 100E1981–2027 · 7 codes
- K1001981–2027 · 7 codes
- L7001981–2005 · 7 codes
- Other Off-Highway1981–2027 · 7 codes
- W3001981–1987 · 7 codes
- W9001981–2005 · 7 codes
- T6001985–2005 · 7 codes
- T8001986–2005 · 7 codes
- T4001988–2005 · 7 codes
- K3001992–2027 · 7 codes
- T3001992–2027 · 7 codes
- T4501992–2005 · 7 codes
- S106R41996–2002 · 7 codes
- T20001996–2005 · 7 codes
- K260/K3601997–2027 · 7 codes
- K3 Series1997–2027 · 7 codes
- KW45/KW551997–2027 · 7 codes
- T6801997–2027 · 7 codes
- T8801997–2027 · 7 codes
- S10/A32003–2027 · 7 codes
- C5 Series2006–2027 · 7 codes
- K270/K3702006–2027 · 7 codes
- L7 Series2006–2027 · 7 codes
- T2 Series2006–2027 · 7 codes
- T3 Series2006–2027 · 7 codes
- T4 Series2006–2027 · 7 codes
- T6 Series2006–2027 · 7 codes
- T7 Series2006–2027 · 7 codes
- T8 Series2006–2027 · 7 codes
- W9 Series2006–2027 · 7 codes
- W9902006–2027 · 7 codes
- L7702022–2027 · 7 codes
- T1802022–2027 · 7 codes
- T2802022–2027 · 7 codes
- T3802022–2027 · 7 codes
- T4802022–2027 · 7 codes
- C5402001–2005 · 6 codes
Related companies with largely the same models
At least half of the models under these companies' codes also appear under Kenworth Truck's codes; they have no page of their own.
| Company | Codes | Code list | Models |
|---|---|---|---|
| Kenworth Mexicana SA de CV | 4 | 3NK 3NM 3WM 3XK | 24 |
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.