License Plate AZ AL25399 (Arizona) — Duncan & Son Lines Inc
USDOT 44035 · 2023 Peterbilt 579
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 |
|---|---|---|---|
| 2026-07-21 | 1XPBD49X7PD880622 | AZ AL25399 | DUNCAN & SON LINES INC · USDOT 44035 |
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 plate
Duncan & Son Lines Inc Active
- USDOT
- 44035
- MC
- 144606
- Status
- Active
- Type
- Carrier & Broker
- Based in
- Buckeye, AZ
- Power units
- 259
- Drivers
- 231
- Inspections (24 mo)
- 421
- Crashes (24 mo)
- 14
- Vehicle OOS rate
- 12.5%
Carrier recorded at the latest inspection in the available records (2026-07-21). 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.
What this means
License plate AZ-AL25399 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1XPBD49X7PD880622 (2023 Peterbilt 579). Most recent operating carrier: Duncan & Son Lines Inc (USDOT 44035). Vehicle make on file: Peterbilt (PTRB) (TRUCK TRACTOR). 1 out-of-service result across all inspections.
About this plate
Commercial license plate AZ-AL25399 (Arizona) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-03-17 to 2026-07-21. The latest inspection was in California, a Level I — full inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Arizona).
Vehicle on this plate
This plate is associated with a single vehicle, a 2023 Peterbilt 579 — VIN 1XPBD49X7PD880622 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. The records show 1 out-of-service violation across 2 inspections. OOS breakdown: 1 vehicle. The leading violation category is Vehicle Maintenance (4), then Fatigued Driving (HOS) (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Duncan & Son Lines Inc (USDOT 44035) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 4 | ! Moderate |
| Fatigued Driving (HOS) | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |