VIN 1NP5X6EX5XD489968 — 1999 Peterbilt (PTRB) 379
Recorded with T & T Express Inc · USDOT 2050285
Vehicle identity
| VIN | 1NP5X6EX5XD489968 |
| Model year | 1999 |
| Make | Peterbilt (PTRB) |
| Model | 379 |
| Vehicle type | STRAIGHT TRUCK |
| License plate | TN S7584HY (Tennessee) |
| Inspection window | 2025-03-20 to 2026-11-05 |
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 |
|---|---|---|---|
| 2026-11-05 | 1NP5X6EX5XD489968 | TN S7584HY | T & T EXPRESS INC · USDOT 2050285 |
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
T & T Express Inc Active
- USDOT
- 2050285
- MC
- 718882
- Status
- Active
- Type
- Motor Carrier
- Based in
- Harrogate, TN
- Power units
- 4
- Drivers
- 4
- Inspections (24 mo)
- 14
- Crashes (24 mo)
- 2
- Vehicle OOS rate
- 37.5%
Carrier recorded at the latest inspection in the available records (2026-11-05). 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
1NP5X6EX5XD489968 is a 1999 Peterbilt 379 operated by T & T Express Inc (USDOT 2050285). License plate on its inspection records: TN S7584HY. 5 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
1999 Peterbilt 379 is the vehicle NHTSA’s VIN registry returns for 1NP5X6EX5XD489968. It is a truck built by PETERBILT MOTORS COMPANY at the DENTON, TEXAS plant. Powertrain: N14 engine, 14L 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 5 FMCSA roadside inspections between 2025-03-20 and 2026-11-05. Its records show 1 out-of-service violation across 5 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2026-11-05) was in Kentucky, a Level I — full 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 T & T Express Inc (USDOT 2050285) from 2025-03-20 to 2026-11-05 — 5 inspections, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 379 |
| Model Year | 1999 |
| 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 | PETERBILT MOTORS COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | DENTON Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | TEXAS |
| Plant Country | UNITED STATES (USA) |
| Engine Model | N14 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 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 | 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
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