License Plate AZ TSA9B3 (Arizona) — Rock Werks Llc
USDOT 3891996 · Peterbilt
Operating carrier of this plate
Rock Werks Llc Active
- USDOT
- 3891996
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Casa Grande, AZ
- Power units
- 13
- Drivers
- 8
- Inspections (24 mo)
- 10
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 10%
What this means
License plate AZ-TSA9B3 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1XPCDP9X2FD285178 (Peterbilt). Most recent operating carrier: Rock Werks Llc (USDOT 3891996). Vehicle make on file: Peterbilt (TRUCK TRACTOR). Zero out-of-service results — clean inspection record under this plate.
About this plate
Commercial license plate AZ-TSA9B3 (Arizona) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-08-18 to 2026-09-16. The latest inspection was in Arizona, a Level II — walk-around inspection of the driver and the vehicle.
Vehicle on this plate
This plate is associated with a single vehicle, a Peterbilt — VIN 1XPCDP9X2FD285178 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 2 inspections on FMCSA record. No out-of-service orders were issued — a clean combined record under this plate. The leading violation category is Vehicle Maintenance (4). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Rock Werks Llc (USDOT 3891996) 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 |