License Plate OK 3LA334 (Oklahoma) — Guardian Oilfield Services Inc
USDOT 1813088 · 2021 Peterbilt 579
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 |
|---|---|---|---|
| 2025-11-20 | 1XPBD49X3MD735637 | OK 3LA334 | GUARDIAN OILFIELD SERVICES INC · USDOT 1813088 |
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
Guardian Oilfield Services Inc Active
- USDOT
- 1813088
- MC
- 658598
- Status
- Active
- Type
- Motor Carrier
- Based in
- Weatherford, OK
- Power units
- 60
- Drivers
- 60
- Inspections (24 mo)
- 116
- Crashes (24 mo)
- 8
- Vehicle OOS rate
- 9.6%
Carrier recorded at the latest inspection in the available records (2025-11-20). 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-3LA334 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1XPBD49X3MD735637 (2021 Peterbilt 579). Most recent operating carrier: Guardian Oilfield Services Inc (USDOT 1813088). Vehicle make on file: Peterbilt (TRUCK TRACTOR). 1 out-of-service result across all inspections.
About this plate
Commercial license plate OK-3LA334 (Oklahoma) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-03-21 to 2025-11-20. The latest inspection was in Louisiana, 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 2021 Peterbilt 579 — VIN 1XPBD49X3MD735637 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. The records show 1 out-of-service violation across 2 inspections. OOS breakdown: 1 vehicle. The leading violation category is Vehicle Maintenance (5). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Guardian Oilfield Services Inc (USDOT 1813088) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 5 | ⚠ High |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |