Plate CA-05178F4
California · PTRB
Operating carrier of this plate
Williams Tank Lines Llc Active
- USDOT
- 229047
- MC
- 197435
- Status
- Active
- Type
- Carrier & Broker
- Based in
- Stockton, CA
- Power units
- 336
- Drivers
- 347
- Inspections (24 mo)
- 717
- Crashes (24 mo)
- 16
- Vehicle OOS rate
- 6.9%
What this means
License plate CA-05178F4 appears in FMCSA inspection records 6 times. Currently assigned to one vehicle: VIN 1NPBL49X5PD856493. Vehicle make on file: PTRB (STRAIGHT TRUCK). 1 out-of-service result across all inspections — investigate the operating carrier(s).
About this plate
Commercial license plate CA-05178F4 (California) appears in FMCSA roadside inspection records tied to one commercial vehicle. The most recent inspection activity under this plate was 2026-06-06. This page aggregates every vehicle, operator, and inspection we can tie to the plate — useful for accident investigation, fraud checks, and used-truck due diligence.
Vehicle on this plate
This plate is associated with a single vehicle, a 2023 PTRB 579 — VIN 1NPBL49X5PD856493. The full spec decode, recall matches, and complete inspection record live on that vehicle's VIN page.
Combined inspection & out-of-service record
Across all vehicles on this plate there are 6 inspections on FMCSA record. Those produced 1 out-of-service order (~16.7% of inspections, below the ~20% national vehicle out-of-service average). OOS breakdown: 1 vehicle. The leading violation category is Vehicle Maintenance (4), then Hazmat (2).
Operators
Operated by WILLIAMS TANK LINES LLC (DOT 229047) — open the carrier profile for authority, insurance, and crash history.
How to use this report
Investigating an incident or vetting a unit: review the 1 out-of-service event against the operating carrier's profile, and check whether a pattern of the same violation type recurs across the vehicles above. FMCSA data shows who operated the vehicle, not the legal owner — ownership requires a state DMV request (restricted under the federal DPPA).
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 4 | ! Moderate |
| Hazmat | 2 | ! Moderate |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |