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

  1. 5401981–2000
  2. 5421981–2005
  3. 548CH1981–2005
  4. C5001981–2005
  5. C5501981–2005
  6. K 100E1981–2027
  7. K1001981–2027
  8. L7001981–2005
  9. Other Off-Highway1981–2027
  10. W3001981–1987
  11. W9001981–2005
  12. T6001985–2005
  13. T8001986–2005
  14. T4001988–2005
  15. K3001992–2027
  16. T3001992–2027
  17. T4501992–2005
  18. S106R41996–2002
  19. T20001996–2005
  20. K260/K3601997–2027
  21. K3 Series1997–2027
  22. KW45/KW551997–2027
  23. T6801997–2027
  24. T8801997–2027
  25. C5402001–2005
  26. S10/A32003–2027
  27. C5 Series2006–2027
  28. K270/K3702006–2027
  29. L7 Series2006–2027
  30. T2 Series2006–2027
  31. T3 Series2006–2027
  32. T4 Series2006–2027
  33. T6 Series2006–2027
  34. T7 Series2006–2027
  35. T8 Series2006–2027
  36. 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.

CodeHolderVehicle typeModel yearsShared models
1XKKenworth Truck Companytrucks1981–open42 of 42
2NKKenworth Truck Companyincomplete vehicles (chassis)1981–open42 of 42
2XKKenworth Truck Companytrucks1981–open42 of 42
3BKKenworth Truck Companyincomplete vehicles (chassis)1981–open42 of 42
3WKKenworth Truck Companytrucks1981–open42 of 42
SFNKenworth Truck Companytrucks1981–open41 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

  1. SBV PACCAR Inc.United Kingdom88
  2. 3NK Kenworth Mexicana SA de CVMexico24
  3. 3NM Kenworth Mexicana SA de CV19
  4. 3WM Kenworth Mexicana SA de CVMexico19
  5. 3XK Kenworth Mexicana SA de CVMexico19

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.