License Plate ON Z9284L (Ontario) — Westmore Heavy Haul Inc
USDOT 4239273 · 2025 X-l Specialized Trailers Inc
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 |
|---|---|---|---|
| 2026-08-31 | 4U3S0051XSL024422 | ON Z9284L | WESTMORE HEAVY HAUL INC · USDOT 4239273 |
| 2025-12-09 | 4U4J0483XSL024419 | ON Z9284L | WESTLAKE TRANSPORTATION GROUP INC · USDOT 3284982 |
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
Westmore Heavy Haul Inc Active
- USDOT
- 4239273
- MC
- 1641438
- Status
- Active
- Type
- Motor Carrier
- Based in
- Maidstone, ON
- Power units
- 8
- Drivers
- 8
- Inspections (24 mo)
- 16
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 20%
Carrier recorded at the latest inspection in the available records (2026-08-31). 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).
What this means
License plate ON-Z9284L 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. Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Westmore Heavy Haul Inc (USDOT 4239273). Vehicle make on file: X-l Specialized Trailers Inc (X-L S) (SEMI-TRAILER). 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 ON-Z9284L (Ontario) appears in FMCSA roadside inspection records tied to 2 commercial vehicles. Inspection activity under this plate runs from 2025-12-09 to 2026-08-31. The latest inspection was in Michigan, a Level III — driver and paperwork only. That is outside the plate's issuing jurisdiction (Ontario).
Vehicles recorded under plate ON-Z9284L
This plate has been recorded on 2 different VINs. Vehicles on record: 4U3S0051XSL024422 (2025 X-l Specialized Trailers Inc, 2026-08-31); 4U4J0483XSL024419 (TRLR, 2025-12-09).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 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.
Operators
2 carriers have operated vehicles under this plate (most recent first): Westmore Heavy Haul Inc (USDOT 4239273) on 2026-08-31; Westlake Transportation Group Inc (USDOT 3284982) on 2025-12-09.