License Plate CA 4SH9597 (California) — Specialized Transport Services Llc
USDOT 3974191 · 2013 Utility Trailer Manufacturer
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 |
|---|---|---|---|
| 2026-10-16 | 1UYFS2489DA619228 | CA 4SH9597 | SPECIALIZED TRANSPORT SERVICES LLC · USDOT 3974191 |
| 2025-10-02 | 1UYFS2489DA619228 | CA 4SH9597 | ISRAEL OCHOA · USDOT 2527474 |
| 2025-03-25 | 1UYFS2489DA619228 | CA 4SH9597 | SERGIO ALVARO CEJA · USDOT 3254290 |
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
Specialized Transport Services Llc Active
- USDOT
- 3974191
- MC
- 1486023
- Status
- Active
- Type
- Motor Carrier
- Based in
- Dixon, CA
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 7
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 50%
Carrier recorded at the latest inspection in the available records (2026-10-16). 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 2 other carriers (listed below).
What this means
License plate CA-4SH9597 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1UYFS2489DA619228 (2013 Utility Trailer Manufacturer). Operated by 3 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Specialized Transport Services Llc (USDOT 3974191). Vehicle make on file: Utility (UTILITY TR) (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-4SH9597 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-03-25 to 2026-10-16. The latest inspection was in Nevada, a Level II — walk-around inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (California).
Vehicle on this plate
This plate is associated with a single vehicle, a 2013 Utility Trailer Manufacturer — VIN 1UYFS2489DA619228 (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
3 carriers have operated vehicles under this plate (most recent first): Specialized Transport Services Llc (USDOT 3974191) from 2026-06-10 to 2026-10-16; Israel Ochoa (USDOT 2527474) on 2025-10-02; Sergio Alvaro Ceja (USDOT 3254290) on 2025-03-25.