License Plate WI 56878Z (Wisconsin) — Joy Global Underground Mining Llc
USDOT 51734 · 2023 Peterbilt 579
Most recently recorded carrier for this plate
Joy Global Underground Mining Llc Active
- USDOT
- 51734
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Pittsburgh, PA
- Power units
- 20
- Drivers
- 17
- Inspections (24 mo)
- 56
- Crashes (24 mo)
- 3
- Vehicle OOS rate
- 9.1%
Carrier recorded at the latest inspection in the available records (2026-07-24). 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 WI-56878Z appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1XPBDP9X6PD879429 (2023 Peterbilt 579). Most recent operating carrier: Joy Global Underground Mining Llc (USDOT 51734). Vehicle make on file: Peterbilt (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 WI-56878Z (Wisconsin) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2026-01-08 to 2026-07-24. The latest inspection was in Kentucky, a Level I — full inspection of the driver and the vehicle. That is outside the plate's issuing jurisdiction (Wisconsin).
Vehicle on this plate
This plate is associated with a single vehicle, a 2023 Peterbilt 579 — VIN 1XPBDP9X6PD879429 (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 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 (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Joy Global Underground Mining Llc (USDOT 51734) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |