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Commercial Plate Lookup

License Plate WI 99979X (Wisconsin)

USDOT 166179 · 2025 Peterbilt 579

2 OOS events
Plate
WI-99979X
Vehicles
2
Inspections
2
OOS results
2
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What this means

License plate WI-99979X appears in FMCSA inspection records 2 times. 2 different VINs appear under this plate in the available inspection records. The records do not establish why the association changed. Most recent operating carrier: USDOT 166179. Vehicle make on file: Peterbilt (TRUCK TRACTOR). 2 out-of-service results across all inspections.

About this plate

Commercial license plate WI-99979X (Wisconsin) appears in FMCSA roadside inspection records tied to 2 commercial vehicles. Inspection activity under this plate runs from 2025-10-10 to 2026-04-29. The latest inspection was in Missouri, a Level II — walk-around inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Wisconsin).

Vehicles recorded under plate WI-99979X

This plate has been recorded on 2 different VINs. Vehicles on record: 1XPBDP9X3SD727410 (2025 Peterbilt 579, 2026-04-29); 1XPXDP9X5LD701950 (2020 Peterbilt 389, 2025-10-10).

Combined inspection & out-of-service record

Across all vehicles on this plate there are 2 inspections on FMCSA record. The records show 2 out-of-service violations across 2 inspections. OOS breakdown: 1 vehicle, 1 hazmat. The leading violation category is Vehicle Maintenance (2), then Hazmat (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.

Operators

Operated under USDOT 166179 in every inspection on record.

Vehicle detail (inspections per unit)
VIN 1XPBDP9X3SD727410 2025 Peterbilt 579 · TRUCK TRACTOR
Last seen 2026-04-29
Carrier: DOT 166179 · 1 inspections · 2 OOS · 2 violations
Last inspected in Missouri · Level II — walk-around inspection of the driver and the vehicle
VIN 1XPXDP9X5LD701950 2020 Peterbilt 389 · TRUCK TRACTOR
Last seen 2025-10-10
Carrier: DOT 166179 · 1 inspections · 0 OOS · 1 violations
Last inspected in Missouri · Level I — full inspection of the driver and the vehicle
FMCSA BASIC safety category breakdown
BASIC CategoryViolationsStatus
Vehicle Maintenance2! Moderate
Hazmat1— Minor
Unsafe Driving0✓ Clean
Driver Fitness0✓ Clean
Fatigued Driving (HOS)0✓ Clean
Controlled Substances0✓ Clean
Out-of-Service breakdown:
Driver OOS: 0 · Vehicle OOS: 1 · Hazmat OOS: 1

Related

Frequently Asked Questions

Why is plate WI-99979X linked to 2 different VINs?
FMCSA inspection records list 2 distinct VINs under plate WI-99979X: VIN 1XPBDP9X3SD727410 (2025 Peterbilt 579), VIN 1XPXDP9X5LD701950 (2020 Peterbilt 389).
What do the out-of-service results on plate WI-99979X mean?
This plate's vehicles have 2 out-of-service violations across 2 inspections (1 vehicle, 1 hazmat). An out-of-service order parks the vehicle or driver until the cited items are fixed.
Who operates the truck with plate WI-99979X?
FMCSA inspection records name (USDOT 166179) as the operating carrier, most recently on 2026-04-29.

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