VIN 1NKWX4EX0MR462433 — 2021 Kenworth W9 Series
Recorded with R Transport Inc · USDOT 1468144
Vehicle identity
| VIN | 1NKWX4EX0MR462433 |
| Model year | 2021 |
| Make | Kenworth |
| Model | W9 Series |
| Vehicle type | STRAIGHT TRUCK |
| License plate | WA 90668RP (Washington) |
| Inspection window | 2025-10-09 to 2026-02-19 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-02-19 | 1NKWX4EX0MR462433 | WA 90668RP | R TRANSPORT INC · USDOT 1468144 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this vehicle
R Transport Inc Active
- USDOT
- 1468144
- MC
- 554624
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- Arlington, WA
- Power units
- 50
- Drivers
- 22
- Inspections (24 mo)
- 34
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 50%
Carrier recorded at the latest inspection in the available records (2026-02-19). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.What this means
1NKWX4EX0MR462433 is a 2021 Kenworth W9 Series operated by R Transport Inc (USDOT 1468144). License plate on its inspection records: WA 90668RP. 2 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2021 Kenworth W9 Series is the vehicle NHTSA’s VIN registry returns for 1NKWX4EX0MR462433. It is a truck built by KENWORTH TRUCK COMPANY at the RENTON, WASHINGTON plant. Powertrain: ISX / X15 engine, 15L displacement, running on diesel. Its gross vehicle weight rating (Class 8: 33,001 lb and above (14,969 kg and above)) places it in Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2025-10-09 and 2026-02-19. Across those inspections it was never placed out of service. Its most recent inspection (2026-02-19) was in Washington, a Level III — driver and paperwork only. Of 2 recorded violations, the most come from Unsafe Driving (1), followed by Fatigued Driving (HOS) (1). Unsafe Driving covers speeding, improper lane changes and other moving violations.
Operator history
Operated by R Transport Inc (USDOT 1468144) from 2025-10-09 to 2026-02-19 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W9 Series |
| Model Year | 2021 |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 8: 33,001 lb and above (14,969 kg and above) Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier |
| Manufacturer | KENWORTH TRUCK COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | RENTON Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | WASHINGTON |
| Plant Country | UNITED STATES (USA) |
| Engine Model | ISX / X15 The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Configuration | In-Line Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels. |
| Engine Cylinders | 6 |
| Displacement L | 15 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Diesel Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | Other Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Unsafe Driving | 1 | — Minor |
| Fatigued Driving (HOS) | 1 | — Minor |
| Vehicle Maintenance | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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