VIN 1NPBGGGG50D448462 — Peterbilt 579
Recorded with Kl Express Llc · USDOT 1450411
Vehicle identity
| VIN | 1NPBGGGG50D448462 |
| Make | Peterbilt |
| Model | 579 |
| Vehicle type | TRUCK TRACTOR |
| License plates | TN X4438HY (Tennessee) AR K826906 (Arkansas) |
| Inspection window | 2025-07-03 to 2026-09-06 |
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 |
|---|---|---|---|
| 2026-09-06 | 1NPBGGGG50D448462 | TN X4438HY | KL EXPRESS LLC · USDOT 1450411 |
| 2025-07-03 | 1NPBGGGG50D448462 | AR K826906 | CUSTOM TRANSPORTATION LLC · USDOT 613617 |
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
Kl Express Llc Active
- USDOT
- 1450411
- MC
- 825542
- Status
- Active
- Type
- Carrier & Broker
- Based in
- Memphis, TN
- Power units
- 26
- Drivers
- 9
- Inspections (24 mo)
- 27
- Crashes (24 mo)
- 3
- Vehicle OOS rate
- 37.5%
Carrier recorded at the latest inspection in the available records (2026-09-06). 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
1NPBGGGG50D448462 is a Peterbilt 579 operated by Kl Express Llc (USDOT 1450411). License plates on its inspection records: TN X4438HY, AR K826906. 2 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
Peterbilt 579 is the vehicle NHTSA’s VIN registry returns for 1NPBGGGG50D448462. 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 2025-07-03 and 2026-09-06. Its records show 1 out-of-service violation across 2 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2026-09-06) was in Arkansas, a Level I — full inspection of the driver and the vehicle. Of 3 recorded violations, the most come from Vehicle Maintenance (3). 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: Custom Transportation Llc (USDOT 613617) on 2025-07-03 — 1 inspection, 1 out-of-service; Kl Express Llc (USDOT 1450411) on 2026-09-06 — 1 inspection, 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 |
|---|---|---|
| Vehicle Maintenance | 3 | ! 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
Related vehicles
- 1FVXA7CG5CDBH4479 Freightliner (3 insp · 4 OOS)
- 1FUJCRCK95PV59227 Freightliner (2 insp · 2 OOS)
- 1FUJCRCK05PV59228 Freightliner (5 insp · 1 OOS)
- 1FVXA7CG1DDBW4702 Freightliner (4 insp · 1 OOS)
- 1FVXA7CG2CDBP6209 Freightliner (3 insp · 1 OOS)
- 1FVXFB0017PZ38913 Freightliner (2 insp · 1 OOS)
Related
Frequently Asked Questions
What does VIN 1NPBGGGG50D448462 decode to?
Why was Peterbilt 579 VIN 1NPBGGGG50D448462 placed out of service?
Which carriers have operated VIN 1NPBGGGG50D448462?
What license plate is on VIN 1NPBGGGG50D448462?
Vetting a used truck purchase?
Tell us what you're looking for and we'll send matching new or used trucks — no obligation.