1NKKenworth incomplete vehicles (chassis)
Held by Kenworth Truck Company · registered in the United States
WMI 1NK shares most of its model list with six other codes. Its rules place assembly in four countries. The same rules start at model year 1981 and have no end year. Its rules name 100 percent of the 42 models found under all 7 codes of Kenworth Truck.
Models in the decoding rules, by model year
- 5401981–2000
- 5421981–2005
- 548CH1981–2005
- C5001981–2005
- C5501981–2005
- K 100E1981–2027
- K1001981–2027
- L7001981–2005
- Other Off-Highway1981–2027
- W3001981–1987
- W9001981–2005
- T6001985–2005
- T8001986–2005
- T4001988–2005
- K3001992–2027
- T3001992–2027
- T4501992–2005
- S106R41996–2002
- T20001996–2005
- K260/K3601997–2027
- K3 Series1997–2027
- KW45/KW551997–2027
- T6801997–2027
- T8801997–2027
- C5402001–2005
- S10/A32003–2027
- C5 Series2006–2027
- K270/K3702006–2027
- L7 Series2006–2027
- T2 Series2006–2027
- T3 Series2006–2027
- T4 Series2006–2027
- T6 Series2006–2027
- T7 Series2006–2027
- T8 Series2006–2027
- W9 Series2006–2027
Also in the rules (6 more): W990, L770, T180, T280, T380, T480.
Where the rules place assembly
Plant countriesCanada, United Kingdom, United States, Mexico
Plant locations namedSandbach; Chillicothe; Kansas City; Montreal; Seattle; Renton; Burnaby; Mexicali; Leyland; Denton
Bodies and power
Body classesTruck, Incomplete - Glider, Truck-Tractor
Primary fuelsDiesel, Natural Gas, Liquefied Natural Gas (LNG), Electric, Fuel Cell, Gasoline
Electrified versionsBattery electric, Fuel cell
Codes with largely the same models
These codes have no page of their own: at least half of the models in their rules also appear under 1NK. The last column counts the shared models.
| Code | Holder | Vehicle type | Model years | Shared models |
|---|---|---|---|---|
| 1XK | Kenworth Truck Company | trucks | 1981–open | 42 of 42 |
| 2NK | Kenworth Truck Company | incomplete vehicles (chassis) | 1981–open | 42 of 42 |
| 2XK | Kenworth Truck Company | trucks | 1981–open | 42 of 42 |
| 3BK | Kenworth Truck Company | incomplete vehicles (chassis) | 1981–open | 42 of 42 |
| 3WK | Kenworth Truck Company | trucks | 1981–open | 42 of 42 |
| SFN | Kenworth Truck Company | trucks | 1981–open | 41 of 41 |
Compared with the closest code, 3NK
3NK is held by Kenworth Mexicana SA de CV. Measured by the overlap of the two model lists, it is the code closest to 1NK apart from those listed above.
Models in both24
Only under 1NKC540, S10/A3, C5 Series, K270/K370, L7 Series, T2 Series, T3 Series, T4 Series, T6 Series, T7 Series, T8 Series, W9 Series, W990, L770, T180, T280, T380, T480
Model years1NK: 1981–open · 3NK: 1981–2000
Plant countries only for 1NKMexico
Kenworth under other holders
Models named in each code's rules
Other codes starting with 1N
- 1N4Nissan North America, passenger car
- 1N6Nissan North America, truck
- 1N7Newmar, trailer
- 1N8Newmar, trailer
- 1NBHog Hauler, trailer
- 1NENewmar, trailer
- 1NFNewmar, trailer
- 1NLGulf Stream Coach, trailer
- 1NNEvans Products, trailer
- 1NPPeterbilt Motors, incomplete vehicle
- 1NSSportsman Trailers, trailer
- 1NTNabors Trailers, trailer
- 1NWNu WA Industries, trailer
- 1NXNew United Motor Manufacturing, passenger car
Source: NHTSA vPIC, October 2026 release (database updated October 17, 2026). How the figures are counted: How the catalog is read.