11 prefixes
Kenworth VIN decoder
Put a Kenworth VIN in and get the full NHTSA specification plus any open recalls. Below, every manufacturer prefix a Kenworth can start with.
Where a Kenworth VIN starts
The first three characters are the World Manufacturer Identifier. Kenworth vehicles carry 11 of them, spread across 4 countries of manufacture, because the same model can be built on more than one continent. The prefix tells you which plant lineage built the car before you decode anything else.
| Prefix | Manufacturer of record | Vehicle type | Country |
|---|---|---|---|
| 1NK | KENWORTH TRUCK COMPANY | Incomplete Vehicle | UNITED STATES (USA) |
| 1XK | KENWORTH TRUCK COMPANY | Truck | UNITED STATES (USA) |
| 2NK | KENWORTH TRUCK COMPANY | Incomplete Vehicle | CANADA |
| 2XK | KENWORTH TRUCK COMPANY | Truck | CANADA |
| 3BK | KENWORTH TRUCK COMPANY | Incomplete Vehicle | MEXICO |
| 3NK | KENWORTH MEXICANA SA DE CV | Incomplete Vehicle | MEXICO |
| 3NM | KENWORTH MEXICANA SA DE CV | Truck | not stated |
| 3WK | KENWORTH TRUCK COMPANY | Truck | MEXICO |
| 3WM | KENWORTH MEXICANA SA DE CV | Truck | MEXICO |
| 3XK | KENWORTH MEXICANA SA DE CV | Truck | MEXICO |
| SFN | KENWORTH TRUCK COMPANY | Truck | UNITED KINGDOM (UK) |
What Kenworth stamps them on
- Truck7
- Incomplete Vehicle4
Current Kenworth models
Models NHTSA lists for the most recent complete model year.
- C5 Series
- K 100E
- K100
- K260/K360
- K270/K370
- K3 Series
- K300
- KS
- KT
- KW45/KW55
- L7 Series
- L770
- Other Off-Highway
- S10/A3
- T180
- T2 Series
- T280
- T3 Series
- T300
- T380
- T4 Series
- T480
- T6 Series
- T680
- T7 Series
- T8 Series
- T880
- W9 Series
- W990
Other makes
Prefix table from NHTSA vPIC, built 2026-08-09. 888 prefixes across the site.