VIN 1NKWLB9X5DS312160 — 1983 Kenworth W900
Recorded with Robco Inc · USDOT 769420
Vehicle identity
| VIN | 1NKWLB9X5DS312160 |
| Model year | 1983 |
| Make | Kenworth |
| Model | W900 |
| Vehicle type | TRUCK TRACTOR |
| License plate | OR YCB4412 (Oregon) |
| Last inspected | 2026-08-13 |
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 |
|---|---|---|---|
| 2026-08-13 | 1NKWLB9X5DS312160 | OR YCB4412 | ROBCO INC · USDOT 769420 |
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
Robco Inc Active
- USDOT
- 769420
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Grants Pass, OR
- Power units
- 14
- Drivers
- 11
- Inspections (24 mo)
- 2
- Crashes (24 mo)
- 1
- Vehicle OOS rate
- 100%
Carrier recorded at the latest inspection in the available records (2026-08-13). 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
1NKWLB9X5DS312160 is a 1983 Kenworth W900 operated by Robco Inc (USDOT 769420). License plate on its inspection records: OR YCB4412. 1 roadside inspection on FMCSA record. 1 out-of-service result on record.
What this VIN is
1983 Kenworth W900 is the vehicle NHTSA’s VIN registry returns for 1NKWLB9X5DS312160. It is a truck built by KENWORTH TRUCK COMPANY at the SEATTLE, WASHINGTON plant. Powertrain: 3406 engine, 14.6L 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 2026-08-13). Its records show 1 out-of-service violation across 1 inspection. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2026-08-13) was in Oregon, a Level II — walk-around inspection of the driver and the vehicle. Of 1 recorded violation, the most come from Vehicle Maintenance (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Robco Inc (USDOT 769420) on 2026-08-13 — 1 inspection, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | W900 |
| Model Year | 1983 |
| 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 | SEATTLE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | WASHINGTON |
| Plant Country | UNITED STATES (USA) |
| Engine Model | 3406 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 | 14.6 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 | 6x4 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 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 1NKWLB9X5DS312160 decode to?
Why was 1983 Kenworth W900 VIN 1NKWLB9X5DS312160 placed out of service?
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