License Plate CA 4TJ8121 (California) — Joel Diaz
USDOT 3517862 · 2021 Wilson
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 |
|---|---|---|---|
| 2026-06-24 | 1W15452A6M6630031 | CA 4TJ8121 | JOEL DIAZ · USDOT 3517862 |
| 2025-09-02 | 1W15452A6M6630031 | CA 4TJ8121 | RAFAEL DIAZ TELLO · USDOT 2677231 |
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
Joel Diaz Active
- USDOT
- 3517862
- MC
- 1663246
- Status
- Active
- Type
- Motor Carrier
- Based in
- Fortuna, CA
- Power units
- 2
- Drivers
- 1
- Inspections (24 mo)
- 9
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 37.5%
Carrier recorded at the latest inspection in the available records (2026-06-24). 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).
What this means
License plate CA-4TJ8121 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1W15452A6M6630031 (2021 Wilson). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Joel Diaz (USDOT 3517862). Vehicle make on file: Wilson (WILX) (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 CA-4TJ8121 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-09-02 to 2026-06-24. The latest inspection was in California, a Level I — full inspection of the driver and the vehicle.
Vehicle on this plate
This plate is associated with a single vehicle, a 2021 Wilson — VIN 1W15452A6M6630031 (semi-trailer).
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.
Operators
2 carriers have operated vehicles under this plate (most recent first): Joel Diaz (USDOT 3517862) from 2026-05-21 to 2026-06-24; Rafael Diaz Tello (USDOT 2677231) on 2025-09-02.