Skip to main content
O Trucking
Commercial Plate Lookup

License Plate CA 4WX6853 (California) — Specialized Transport Services Llc

USDOT 3974191 · 2017 ECLN

Clean record

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.

Earliest and latest dates below are observations we have retained, not registration dates.
Observed datesVINPlateReported carrier
2026-09-021UYF52489HA901326CA 4WX6853SPECIALIZED TRANSPORT SERVICES LLC · USDOT 3974191
2026-07-301UYF52489HA901326CA 4WX6853SAPY INC · USDOT 3974192

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 (2026-09-02). 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).

Plate
CA-4WX6853
Vehicles
1
Inspections
2
OOS results
0
O Trucking From the O Trucking network Flat-rate truck dispatch — $250/wk semis No % fees. No contracts. Dry van, reefer, flatbed, hotshot. Get dispatch

What this means

License plate CA-4WX6853 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1UYF52489HA901326 (2017 ECLN). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Specialized Transport Services Llc (USDOT 3974191). Vehicle make on file: ECLN (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-4WX6853 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-07-30 to 2026-09-02. The latest inspection was in California, a Level III — driver and paperwork only.

Vehicle on this plate

This plate is associated with a single vehicle, a 2017 ECLN — VIN 1UYF52489HA901326 (semi-trailer).

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): Specialized Transport Services Llc (USDOT 3974191) on 2026-09-02; Sapy Inc (USDOT 3974192) on 2026-07-30.

Vehicle detail (inspections per unit)
VIN 1UYF52489HA901326 2017 ECLN · SEMI-TRAILER
Last seen 2026-09-02
Carrier: SPECIALIZED TRANSPORT SERVICES LLC (DOT 3974191) · 1 inspections · 0 OOS · 0 violations
Last inspected in California · Level III — driver and paperwork only
VIN 1UYF52489HA901326 2017 ECLN · SEMI-TRAILER
Last seen 2026-07-30
Carrier: SAPY INC (DOT 3974192) · 1 inspections · 0 OOS · 0 violations
Last inspected in California · Level I — full inspection of the driver and the vehicle

Related

Frequently Asked Questions

How many vehicles are linked to plate CA-4WX6853?
One: VIN 1UYF52489HA901326 (2017 ECLN).
Why does plate CA-4WX6853 appear under different DOT numbers?
Inspections under this plate were recorded against 2 USDOT numbers: Specialized Transport Services Llc (USDOT 3974191), Sapy Inc (USDOT 3974192).

Vetting a carrier or vehicle?

Ready to Grow Your Trucking Business?

Dispatch support for your trucking business. Explore our current service options.