License Plate WY A21219 (Wyoming) — Mountain Mud Service & Supply Inc
USDOT 1444132 · 2000 Peterbilt 378
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 |
|---|---|---|---|
| 2026-08-13 | 1XPFDB9X7YD531547 | WY A21219 | MOUNTAIN MUD SERVICE & SUPPLY INC · USDOT 1444132 |
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
Mountain Mud Service & Supply Inc Inactive
- USDOT
- 1444132
- MC
- 1108542
- Status
- Inactive
- Type
- Carrier & Shipper
- Based in
- Gillette, WY
- Power units
- 10
- Drivers
- 7
Carrier recorded at the latest inspection in the available records (2026-08-13). 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 WY-A21219 appears in FMCSA inspection records 4 times. Recorded on one vehicle: VIN 1XPFDB9X7YD531547 (2000 Peterbilt 378). Most recent operating carrier: Mountain Mud Service & Supply Inc (USDOT 1444132). Vehicle make on file: Peterbilt (TRUCK TRACTOR). 4 out-of-service results across all inspections.
About this plate
Commercial license plate WY-A21219 (Wyoming) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-06-28 to 2026-08-13. The latest inspection was in North Dakota, a Level I — full inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Wyoming).
Vehicle on this plate
This plate is associated with a single vehicle, a 2000 Peterbilt 378 — VIN 1XPFDB9X7YD531547 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 4 inspections on FMCSA record. The records show 4 out-of-service violations across 4 inspections. OOS breakdown: 4 vehicle. The leading violation category is Vehicle Maintenance (30). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Mountain Mud Service & Supply Inc (USDOT 1444132) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 30 | ⚠ High |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |