VIN 5FWFP3820TR037779 — 2026 Diamond T Trailers Mfg. Co. (DIAMO) Diamond T Trailers Mfg. Co
Recorded with John L Regnier · USDOT 1491823
Vehicle identity
| VIN | 5FWFP3820TR037779 |
| Model year | 2026 |
| Make | Diamond T Trailers Mfg. Co. (DIAMO) |
| Model | Diamond T Trailers Mfg. Co |
| Vehicle type | SEMI-TRAILER |
| License plate | OK DN6317 (Oklahoma) |
| Inspection window | 2026-04-29 to 2026-05-15 |
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 |
|---|---|---|---|
| 2026-05-15 | 5FWFP3820TR037779 | OK DN6317 | JOHN L REGNIER · USDOT 1491823 |
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
John L Regnier Active
- USDOT
- 1491823
- MC
- 561262
- Status
- Active
- Type
- Motor Carrier
- Based in
- Marland, OK
- Power units
- 2
- Drivers
- 2
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 25%
Carrier recorded at the latest inspection in the available records (2026-05-15). 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
5FWFP3820TR037779 is a 2026 Diamond T Trailers Mfg. Co. Diamond T Trailers Mfg. Co operated by John L Regnier (USDOT 1491823). License plate on its inspection records: OK DN6317. 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
2026 Diamond T Trailers Mfg. Co. Diamond T Trailers Mfg. Co is the vehicle NHTSA’s VIN registry returns for 5FWFP3820TR037779. It is a trailer built by DIAMOND T TRAILERS at the RATTAN, OKLAHOMA plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2026-04-29 and 2026-05-15. Across those inspections it was never placed out of service. Its most recent inspection (2026-05-15) was in Kansas, 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 John L Regnier (USDOT 1491823) from 2026-04-29 to 2026-05-15 — 2 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | DIAMOND T TRAILERS MFG. CO. |
| Model | Diamond T Trailers Mfg. Co |
| Model Year | 2026 |
| 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 | DIAMOND T TRAILERS The legal manufacturer of record in NHTSA’s database. |
| Plant City | RATTAN Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | OKLAHOMA |
| 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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