VIN 1NKWX4EX1LR398806 — 2020 Kenworth W9 Series
Recorded with Brent S Melson · USDOT 1232787
Vehicle identity
| VIN | 1NKWX4EX1LR398806 |
| Model year | 2020 |
| Make | Kenworth |
| Model | W9 Series |
| Vehicle type | STRAIGHT TRUCK |
| License plate | OR YCTI503 (Oregon) |
| Last inspected | 2025-07-29 |
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 |
|---|---|---|---|
| 2025-07-29 | 1NKWX4EX1LR398806 | OR YCTI503 | BRENT S MELSON · USDOT 1232787 |
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
Brent S Melson Active
- USDOT
- 1232787
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Roseburg, OR
- Power units
- 12
- Drivers
- 8
- Inspections (24 mo)
- 11
- Crashes (24 mo)
- 2
- Vehicle OOS rate
- 80%
Carrier recorded at the latest inspection in the available records (2025-07-29). 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
1NKWX4EX1LR398806 is a 2020 Kenworth W9 Series operated by Brent S Melson (USDOT 1232787). License plate on its inspection records: OR YCTI503. 1 roadside inspection on FMCSA record. 2 out-of-service results on record.
What this VIN is
2020 Kenworth W9 Series is the vehicle NHTSA’s VIN registry returns for 1NKWX4EX1LR398806. 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 1 FMCSA roadside inspection (most recent activity 2025-07-29). Its records show 2 out-of-service violations across 1 inspection. Out-of-service breakdown: 1 vehicle, 1 driver. Its most recent inspection (2025-07-29) was in Oregon, a Level II — walk-around inspection of the driver and the vehicle. Of 4 recorded violations, the most come from Vehicle Maintenance (3), followed by Driver Fitness (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Brent S Melson (USDOT 1232787) on 2025-07-29 — 1 inspection, 2 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W9 Series |
| Model Year | 2020 |
| 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 |
|---|---|---|
| Vehicle Maintenance | 3 | ! Moderate |
| Driver Fitness | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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Frequently Asked Questions
What does VIN 1NKWX4EX1LR398806 decode to?
Why was 2020 Kenworth W9 Series VIN 1NKWX4EX1LR398806 placed out of service?
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