License Plate OK DC40073 (Oklahoma) — Diamond Trucking Inc
USDOT 491637 · STEPH
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 |
|---|---|---|---|
| 2025-12-15 | 1S9AB15BXRH474171 | OK DC40073 | DIAMOND TRUCKING INC · USDOT 491637 |
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
Diamond Trucking Inc Active
- USDOT
- 491637
- MC
- 240905
- Status
- Active
- Type
- Motor Carrier
- Based in
- Phoenix, AZ
- Power units
- 76
- Drivers
- 81
- Inspections (24 mo)
- 134
- Crashes (24 mo)
- 5
- Vehicle OOS rate
- 1.6%
Carrier recorded at the latest inspection in the available records (2025-12-15). 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
License plate OK-DC40073 appears in FMCSA inspection records 1 time. Recorded on one vehicle: VIN 1S9AB15BXRH474171 (STEPH). Most recent operating carrier: Diamond Trucking Inc (USDOT 491637). Vehicle make on file: STEPH (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 OK-DC40073 (Oklahoma) appears in FMCSA roadside inspection records tied to one commercial vehicle. The most recent inspection activity under this plate was 2025-12-15. The latest inspection was in Kansas, a Level II — walk-around inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Oklahoma).
Vehicle on this plate
This plate is associated with a single vehicle, a STEPH — VIN 1S9AB15BXRH474171 (semi-trailer).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 1 inspection 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
Operated by Diamond Trucking Inc (USDOT 491637) in every inspection on record.