License Plate CA 4PF2372 (California) — Whistling Diesel Llc
USDOT 4530082 · 2016 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 |
|---|---|---|---|
| 2026-10-08 | 1UYVS2539GU611826 | CA 4PF2372 | WHISTLING DIESEL LLC · USDOT 4530082 |
| 2026-01-28 | 1UYVS2539GU611826 | CA 4PF2372 | RICARDO ESPARZA TRUCKING INC · USDOT 3482884 |
| 2024-12-09 | 1UYVS2539GU611826 | CA 4PF2372 | ESPARZA TRUCKING LLC · USDOT 3730401 |
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
Whistling Diesel Llc Active
- USDOT
- 4530082
- MC
- 1796128
- Status
- Active
- Type
- Motor Carrier
- Based in
- Lompoc, CA
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 5
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-10-08). 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-4PF2372 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1UYVS2539GU611826 (2016 Utility Trailer Manufacturer). Operated by 3 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Whistling Diesel Llc (USDOT 4530082). Vehicle make on file: Utility (UTIL) (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-4PF2372 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-12-09 to 2026-10-08. 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 2016 Utility Trailer Manufacturer — VIN 1UYVS2539GU611826 (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): Whistling Diesel Llc (USDOT 4530082) on 2026-10-08; Ricardo Esparza Trucking Inc (USDOT 3482884) on 2026-01-28; Esparza Trucking Llc (USDOT 3730401) on 2024-12-09.