License Plate PA ZYN4391 (Pennsylvania) — W B Mason Co Inc
USDOT 348981 · 2025 International MV607
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 |
|---|---|---|---|
| 2026-01-12 | 3HAEUMMLXSL450567 | PA ZYN4391 | W B MASON CO INC · USDOT 348981 |
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
W B Mason Co Inc Active
- USDOT
- 348981
- MC
- —
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- Brockton, MA
- Power units
- 834
- Drivers
- 898
- Inspections (24 mo)
- 503
- Crashes (24 mo)
- 15
- Vehicle OOS rate
- 11%
Carrier recorded at the latest inspection in the available records (2026-01-12). 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 PA-ZYN4391 appears in FMCSA inspection records 1 time. Recorded on one vehicle: VIN 3HAEUMMLXSL450567 (2025 International MV607). Most recent operating carrier: W B Mason Co Inc (USDOT 348981). Vehicle make on file: International (INTL) (OTHER). 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 PA-ZYN4391 (Pennsylvania) appears in FMCSA roadside inspection records tied to one commercial vehicle. The most recent inspection activity under this plate was 2026-01-12. The latest inspection was in Pennsylvania, a Level III — driver and paperwork only.
Vehicle on this plate
This plate is associated with a single vehicle, a 2025 International MV607 — VIN 3HAEUMMLXSL450567 (other).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 1 inspection 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.
Operators
Operated by W B Mason Co Inc (USDOT 348981) in every inspection on record.