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Commercial Plate Lookup

License Plate AZ AL25396 (Arizona) — Duncan & Son Lines Inc

USDOT 44035 · 2023 Peterbilt 579

Clean record

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.

Earliest and latest dates below are observations we have retained, not registration dates.
Observed datesVINPlateReported carrier
2026-09-241XPBD49X1PD880616AZ AL25396DUNCAN & SON LINES INC · USDOT 44035
2025-03-181XPBD49X1PD880616AZ AL25396DSL TANKER LLC · USDOT 4125375

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 (2026-09-24). 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 plate has also been operated by 1 other carrier (listed below).

Plate
AZ-AL25396
Vehicles
1
Inspections
3
OOS results
0
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What this means

License plate AZ-AL25396 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1XPBD49X1PD880616 (2023 Peterbilt 579). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Duncan & Son Lines Inc (USDOT 44035). Vehicle make on file: Peterbilt (PTRB) (TRUCK TRACTOR). No out-of-service violations are recorded under this plate in the available inspection records. Other violations may still be present.

About this plate

Commercial license plate AZ-AL25396 (Arizona) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-03-18 to 2026-09-24. The latest inspection was in Arizona, a Level II — walk-around inspection of the driver and the vehicle.

Vehicle on this plate

This plate is associated with a single vehicle, a 2023 Peterbilt 579 — VIN 1XPBD49X1PD880616 (truck tractor).

Combined inspection & out-of-service record

Across all vehicles on this plate there are 3 inspections on FMCSA record. No out-of-service violations appear in the available records under this plate. This does not mean that every inspection was free of other violations. The leading violation category is Hazmat (3), then Vehicle Maintenance (2). Hazmat covers hazardous-materials packaging, placards and shipping papers.

Operators

2 carriers have operated vehicles under this plate (most recent first): Duncan & Son Lines Inc (USDOT 44035) from 2025-09-24 to 2026-09-24; Dsl Tanker Llc (USDOT 4125375) on 2025-03-18.

Vehicle detail (inspections per unit)
VIN 1XPBD49X1PD880616 2023 Peterbilt (PTRB) 579 · TRUCK TRACTOR
2025-09-24 → 2026-09-24
Carrier: DUNCAN & SON LINES INC (DOT 44035) · 2 inspections · 0 OOS · 0 violations
Last inspected in Arizona · Level II — walk-around inspection of the driver and the vehicle
VIN 1XPBD49X1PD880616 2023 Peterbilt 579 · TRUCK TRACTOR
Last seen 2025-03-18
Carrier: DSL TANKER LLC (DOT 4125375) · 1 inspections · 0 OOS · 5 violations
Last inspected in Arizona · Level II — walk-around inspection of the driver and the vehicle
FMCSA BASIC safety category breakdown
BASIC CategoryViolationsStatus
Hazmat3! Moderate
Vehicle Maintenance2! Moderate
Unsafe Driving0✓ Clean
Driver Fitness0✓ Clean
Fatigued Driving (HOS)0✓ Clean
Controlled Substances0✓ Clean

Related

Frequently Asked Questions

How many vehicles are linked to plate AZ-AL25396?
One: VIN 1XPBD49X1PD880616 (2023 Peterbilt 579).
Why does plate AZ-AL25396 appear under different DOT numbers?
Inspections under this plate were recorded against 2 USDOT numbers: Duncan & Son Lines Inc (USDOT 44035), Dsl Tanker Llc (USDOT 4125375).

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