License Plate WI KB4946 (Wisconsin) — Polzer Bros Inc
USDOT 48310 · 2009 Kenworth T8 Series
Most recently recorded carrier for this plate
Polzer Bros Inc Active
- USDOT
- 48310
- MC
- 305410
- Status
- Active
- Type
- Motor Carrier
- Based in
- Durand, WI
- Power units
- 9
- Drivers
- 4
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-03-23). 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-KB4946 appears in FMCSA inspection records 2 times. Recorded on one vehicle: VIN 1NKDL49X49J247415 (2009 Kenworth T8 Series). Most recent operating carrier: Polzer Bros Inc (USDOT 48310). Vehicle make on file: Kenworth (STRAIGHT TRUCK). 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-KB4946 (Wisconsin) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-10-16 to 2026-03-23. The latest inspection was in Montana, a Level III — driver and paperwork only. That is outside the plate's issuing jurisdiction (Wisconsin).
Vehicle on this plate
This plate is associated with a single vehicle, a 2009 Kenworth T8 Series — VIN 1NKDL49X49J247415 (straight truck).
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 Fatigued Driving (HOS) (1). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operators
Operated by Polzer Bros Inc (USDOT 48310) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Fatigued Driving (HOS) | 1 | — Minor |
| Vehicle Maintenance | 0 | ✓ Clean |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |