VIN 1XPBAP8X6MD760883 — 2021 Peterbilt (PTRB) 579
Recorded with Firstfleet Inc · USDOT 313891
Vehicle identity
| VIN | 1XPBAP8X6MD760883 |
| Model year | 2021 |
| Make | Peterbilt (PTRB) |
| Model | 579 |
| Vehicle type | TRUCK TRACTOR |
| License plates | IN 313891 (Indiana) TX 1M04544 (Texas) |
| Inspection window | 2024-12-06 to 2026-05-26 |
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 |
|---|---|---|---|
| 2026-05-26 | 1XPBAP8X6MD760883 | IN 313891 | FIRSTFLEET INC · USDOT 313891 |
| 2024-12-06 | 1XPBAP8X6MD760883 | TX 1M04544 | SMURFIT KAPPA NORTH AMERICA LLC · USDOT 60067 |
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
Firstfleet Inc Active
- USDOT
- 313891
- MC
- 193678
- Status
- Active
- Type
- Motor Carrier
- Based in
- Murfreesboro, TN
- Power units
- 2,520
- Drivers
- 2,769
- Inspections (24 mo)
- 2,041
- Crashes (24 mo)
- 197
- Vehicle OOS rate
- 22.4%
Carrier recorded at the latest inspection in the available records (2026-05-26). 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
1XPBAP8X6MD760883 is a 2021 Peterbilt 579 operated by Firstfleet Inc (USDOT 313891). License plates on its inspection records: IN 313891, TX 1M04544. 4 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2021 Peterbilt 579 is the vehicle NHTSA’s VIN registry returns for 1XPBAP8X6MD760883. It is a truck-tractor 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 2024-12-06 and 2026-05-26. Across those inspections it was never placed out of service. Its most recent inspection (2026-05-26) was in Virginia, a Level I — full inspection of the driver and the vehicle. Of 10 recorded violations, the most come from Vehicle Maintenance (7), followed by Fatigued Driving (HOS) (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: Smurfit Kappa North America Llc (USDOT 60067) on 2024-12-06 — 1 inspection, none out of service; Firstfleet Inc (USDOT 313891) from 2025-10-13 to 2026-05-26 — 3 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 579 |
| Model Year | 2021 |
| 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 | 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 | 4x2 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 7 | ⚠ High |
| Fatigued Driving (HOS) | 2 | ! Moderate |
| Unsafe Driving | 1 | — Minor |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator history — 2 carriers operated this VIN
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