License Plate OK 3KB521 (Oklahoma) — United Petroleum Transports Inc
USDOT 185040 · 2019 Peterbilt 389
Most recently recorded carrier for this plate
United Petroleum Transports Inc Active
- USDOT
- 185040
- MC
- 152151
- Status
- Active
- Type
- Carrier & Broker
- Based in
- Oklahoma City, OK
- Power units
- 604
- Drivers
- 712
- Inspections (24 mo)
- 1,075
- Crashes (24 mo)
- 35
- Vehicle OOS rate
- 14%
Carrier recorded at the latest inspection in the available records (2026-08-18). 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-3KB521 appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1XPXD49X2KD499906 (2019 Peterbilt 389). Most recent operating carrier: United Petroleum Transports Inc (USDOT 185040). Vehicle make on file: Peterbilt (PTRB) (TRUCK TRACTOR). 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-3KB521 (Oklahoma) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-04-30 to 2026-08-18. The latest inspection was in Texas, a Level I — full 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 2019 Peterbilt 389 — VIN 1XPXD49X2KD499906 (truck tractor).
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. The leading violation category is Vehicle Maintenance (4). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by United Petroleum Transports Inc (USDOT 185040) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 4 | ! Moderate |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |