VIN 1UNST4226JS151452 — 2018 Dragon Esp (DRAGO) Dragon ESP
Recorded with Diamond Oil Field Services Inc · USDOT 1582423
Vehicle identity
| VIN | 1UNST4226JS151452 |
| Model year | 2018 |
| Make | Dragon Esp (DRAGO) |
| Model | Dragon ESP |
| Vehicle type | SEMI-TRAILER |
| License plate | OK DK6472 (Oklahoma) |
| Inspection window | 2025-06-02 to 2025-09-05 |
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 |
|---|---|---|---|
| 2025-09-05 | 1UNST4226JS151452 | OK DK6472 | DIAMOND OIL FIELD SERVICES INC · USDOT 1582423 |
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
Diamond Oil Field Services Inc Active
- USDOT
- 1582423
- MC
- 667437
- Status
- Active
- Type
- Motor Carrier
- Based in
- El Reno, OK
- Power units
- 20
- Drivers
- 40
- Inspections (24 mo)
- 17
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2025-09-05). 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
1UNST4226JS151452 is a 2018 Dragon Esp operated by Diamond Oil Field Services Inc (USDOT 1582423). License plate on its inspection records: OK DK6472. 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
2018 Dragon Esp is the vehicle NHTSA’s VIN registry returns for 1UNST4226JS151452. It is a trailer built by DRAGON PRODUCTS, LLC at the SILSBEE, TEXAS plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2025-06-02 and 2025-09-05. Across those inspections it was never placed out of service. Its most recent inspection (2025-09-05) was in Oklahoma, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Diamond Oil Field Services Inc (USDOT 1582423) from 2025-06-02 to 2025-09-05 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | DRAGON ESP |
| Model | Dragon ESP |
| Model Year | 2018 |
| 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 | DRAGON PRODUCTS, LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | SILSBEE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | TEXAS |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
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Frequently Asked Questions
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