VIN 1Z91H2224RM679554 — 2024 4 Boss (4 BOSS TRA) 4 Boss
Recorded with Northwest Builders Inc · USDOT 1049274
Vehicle identity
| VIN | 1Z91H2224RM679554 |
| Model year | 2024 |
| Make | 4 Boss (4 BOSS TRA) |
| Model | 4 Boss |
| Vehicle type | SEMI-TRAILER |
| License plate | WI XR89951 (Wisconsin) |
| Last inspected | 2026-01-08 |
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 |
|---|---|---|---|
| 2026-01-08 | 1Z91H2224RM679554 | WI XR89951 | NORTHWEST BUILDERS INC · USDOT 1049274 |
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 vehicle
Northwest Builders Inc Active
- USDOT
- 1049274
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Rice Lake, WI
- Power units
- 13
- Drivers
- 25
- Inspections (24 mo)
- 1
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-01-08). 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
1Z91H2224RM679554 is a 2024 4 Boss operated by Northwest Builders Inc (USDOT 1049274). License plate on its inspection records: WI XR89951. 1 roadside inspection on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2024 4 Boss is the vehicle NHTSA’s VIN registry returns for 1Z91H2224RM679554. It is a trailer built by 4 BOSS TRAILER MANUFACTURING at the MOUNT PLEASANT, TEXAS plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-01-08). Across those inspections it was never placed out of service. Its most recent inspection (2026-01-08) was in Wisconsin, a Level II — walk-around inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Northwest Builders Inc (USDOT 1049274) on 2026-01-08 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | 4 BOSS |
| Model | 4 Boss |
| Model Year | 2024 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| Manufacturer | 4 BOSS TRAILER MANUFACTURING The legal manufacturer of record in NHTSA’s database. |
| Plant City | MOUNT PLEASANT Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | TEXAS |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
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Frequently Asked Questions
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