VIN 1NPBGGGG20D455563 — Peterbilt (PTRB) 579
Recorded with Polmax Llc · USDOT 758399
Vehicle identity
| VIN | 1NPBGGGG20D455563 |
| Make | Peterbilt (PTRB) |
| Model | 579 |
| Vehicle type | TRUCK TRACTOR |
| License plate | IL P1279649 (Illinois) |
| Inspection window | 2026-05-29 to 2026-07-25 |
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 |
|---|---|---|---|
| 2026-07-25 | 1NPBGGGG20D455563 | IL P1279649 | POLMAX LLC · USDOT 758399 |
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
Polmax Llc Active
- USDOT
- 758399
- MC
- 342107
- Status
- Active
- Type
- Motor Carrier
- Based in
- Alsip, IL
- Power units
- 106
- Drivers
- 96
- Inspections (24 mo)
- 183
- Crashes (24 mo)
- 5
- Vehicle OOS rate
- 25.3%
Carrier recorded at the latest inspection in the available records (2026-07-25). 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
1NPBGGGG20D455563 is a Peterbilt 579 operated by Polmax Llc (USDOT 758399). License plate on its inspection records: IL P1279649. 2 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
Peterbilt 579 is the vehicle NHTSA’s VIN registry returns for 1NPBGGGG20D455563. It is a incomplete - glider built by PETERBILT MOTORS COMPANY at the DENTON, TEXAS plant. Powertrain: Glider engine.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2026-05-29 and 2026-07-25. Across those inspections it was never placed out of service. Its most recent inspection (2026-07-25) was in Arkansas, a Level III — driver and paperwork only. Of 1 recorded violation, the most come from Driver Fitness (1). Driver Fitness covers licensing, CDL class and medical certificate requirements.
Operator history
Operated by Polmax Llc (USDOT 758399) from 2026-05-29 to 2026-07-25 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | PETERBILT |
| Model | 579 |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Incomplete - Glider The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| 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 | Glider The engine family installed at the factory — a major driver of resale value and parts availability. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | Glider Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Driver Fitness | 1 | — Minor |
| Vehicle Maintenance | 0 | ✓ Clean |
| Unsafe Driving | 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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