VIN 5DN144821MB001021 — 2021 WSTI Western Trailer Company
Recorded with Oliveira Enterprises Inc · USDOT 2618391
Vehicle identity
| VIN | 5DN144821MB001021 |
| Model year | 2021 |
| Make | WSTI |
| Model | Western Trailer Company |
| Vehicle type | SEMI-TRAILER |
| License plate | CA 4TR5889 (California) |
| Inspection window | 2025-06-02 to 2026-01-28 |
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 |
|---|---|---|---|
| 2026-01-28 | 5DN144821MB001021 | CA 4TR5889 | OLIVEIRA ENTERPRISES INC · USDOT 2618391 |
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 vehicle
Oliveira Enterprises Inc Active
- USDOT
- 2618391
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Byron, CA
- Power units
- 18
- Drivers
- 11
- Inspections (24 mo)
- 45
- Crashes (24 mo)
- 2
- Vehicle OOS rate
- 40%
Carrier recorded at the latest inspection in the available records (2026-01-28). 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.
What this means
5DN144821MB001021 is a 2021 WSTI Western Trailer Company operated by Oliveira Enterprises Inc (USDOT 2618391). License plate on its inspection records: CA 4TR5889. 2 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2021 WSTI Western Trailer Company is the vehicle NHTSA’s VIN registry returns for 5DN144821MB001021. It is a trailer built by WESTERN TRAILER COMPANY at the BOISE, IDAHO plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2025-06-02 and 2026-01-28. Across those inspections it was never placed out of service. Its most recent inspection (2026-01-28) was in California, a Level II — walk-around inspection of the driver and the vehicle. Of 2 recorded violations, the most come from Vehicle Maintenance (2). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Oliveira Enterprises Inc (USDOT 2618391) from 2025-06-02 to 2026-01-28 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | WESTERN TRAILER COMPANY |
| Model | Western Trailer Company |
| Model Year | 2021 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| Manufacturer | WESTERN TRAILER COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | BOISE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | IDAHO |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 2 | ! Moderate |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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Related
Frequently Asked Questions
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