VIN 1NPXLP9X9MD717728 — 2021 Peterbilt (PTRB) 389
Recorded with Seaside Auto Transport Inc · USDOT 3329088
Vehicle identity
| VIN | 1NPXLP9X9MD717728 |
| Model year | 2021 |
| Make | Peterbilt (PTRB) |
| Model | 389 |
| Vehicle type | TRUCK TRACTOR |
| License plates | NV 87648A (Nevada) MS A536297 (Mississippi) |
| Inspection window | 2024-10-15 to 2025-11-21 |
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 |
|---|---|---|---|
| 2025-11-21 | 1NPXLP9X9MD717728 | NV 87648A | SEASIDE AUTO TRANSPORT INC · USDOT 3329088 |
| 2024-10-15 | 1NPXLP9X9MD717728 | MS A536297 | WADDLE TRUCKING LLC · USDOT 1386780 |
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
Seaside Auto Transport Inc Active
- USDOT
- 3329088
- MC
- 1060559
- Status
- Active
- Type
- Motor Carrier
- Based in
- Las Vegas, NV
- Power units
- 16
- Drivers
- 8
- Inspections (24 mo)
- 25
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 22.7%
Carrier recorded at the latest inspection in the available records (2025-11-21). 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.This vehicle has also been operated by 1 other carrier (listed below).
What this means
1NPXLP9X9MD717728 is a 2021 Peterbilt 389 operated by Seaside Auto Transport Inc (USDOT 3329088). License plates on its inspection records: NV 87648A, MS A536297. 4 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
2021 Peterbilt 389 is the vehicle NHTSA’s VIN registry returns for 1NPXLP9X9MD717728. It is a truck built by PETERBILT MOTORS COMPANY at the DENTON, TEXAS plant. Powertrain: MX/MX-13 engine, 12.9L 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 4 FMCSA roadside inspections between 2024-10-15 and 2025-11-21. Its records show 1 out-of-service violation across 4 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2025-11-21) was in Arizona, a Level II — walk-around inspection of the driver and the vehicle. Of 2 recorded violations, the most come from Vehicle Maintenance (2). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
This VIN appears under 2 different carriers in our records, oldest first: Waddle Trucking Llc (USDOT 1386780) on 2024-10-15 — 1 inspection, none out of service; Seaside Auto Transport Inc (USDOT 3329088) from 2025-09-03 to 2025-11-21 — 3 inspections, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 389 |
| 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 | 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 | MX/MX-13 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 | 12.9 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 | 2 | ! Moderate |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator history — 2 carriers operated this VIN
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Frequently Asked Questions
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