VIN 5KJJBWD12NLNP6959 — 2022 Western Star (WESTERN ST) 49X Chassis
Recorded with Rock Tech Inc · USDOT 1401488
Vehicle identity
| VIN | 5KJJBWD12NLNP6959 |
| Model year | 2022 |
| Make | Western Star (WESTERN ST) |
| Model | 49X Chassis |
| Vehicle type | TRUCK TRACTOR |
| License plate | NY 51583PF (New York) |
| Inspection window | 2025-09-10 to 2026-01-20 |
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 |
|---|---|---|---|
| 2026-01-20 | 5KJJBWD12NLNP6959 | NY 51583PF | ROCK TECH INC · USDOT 1401488 |
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
Rock Tech Inc Active
- USDOT
- 1401488
- MC
- 764054
- Status
- Active
- Type
- Carrier & Broker & Shipper
- Based in
- West Babylon, NY
- Power units
- 23
- Drivers
- 10
- Inspections (24 mo)
- 40
- Crashes (24 mo)
- 4
- Vehicle OOS rate
- 38.5%
Carrier recorded at the latest inspection in the available records (2026-01-20). 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
5KJJBWD12NLNP6959 is a 2022 Western Star 49X Chassis operated by Rock Tech Inc (USDOT 1401488). License plate on its inspection records: NY 51583PF. 6 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
2022 Western Star 49X Chassis is the vehicle NHTSA’s VIN registry returns for 5KJJBWD12NLNP6959. It is a truck-tractor built by DAIMLER TRUCK NORTH AMERICA LLC at the CLEVELAND, NORTH CAROLINA plant. Powertrain: Diesel DD16 engine, 15.6L 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 6 FMCSA roadside inspections between 2025-09-10 and 2026-01-20. Its records show 1 out-of-service violation across 6 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2026-01-20) was in Connecticut, a Level II — walk-around inspection of the driver and the vehicle. Of 5 recorded violations, the most come from Vehicle Maintenance (5). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Rock Tech Inc (USDOT 1401488) from 2025-09-10 to 2026-01-20 — 6 inspections, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | WESTERN STAR |
| Model | 49X Chassis |
| Model Year | 2022 |
| Vehicle Type | TRUCK NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck-Tractor 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 | DAIMLER TRUCK NORTH AMERICA LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | CLEVELAND Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | NORTH CAROLINA |
| Plant Country | UNITED STATES (USA) |
| Engine Model | Diesel DD16 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 | 15.6 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 | 5 | ⚠ High |
| 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 5KJJBWD12NLNP6959 decode to?
Why was 2022 Western Star 49X Chassis VIN 5KJJBWD12NLNP6959 placed out of service?
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