VIN 4U3S00515ML020359 — 2021 X-l Specialized Trailers Inc (vPIC; filed make: UNKNOWN) X-L SPECIALIZED TRAILERS INC
Recorded with Biss Unlimited Trucking Llc · USDOT 2271797
Vehicle identity
| VIN | 4U3S00515ML020359 |
| Model year | 2021 |
| Make | X-l Specialized Trailers Inc (vPIC; filed make: UNKNOWN) |
| Model | X-L SPECIALIZED TRAILERS INC |
| Vehicle type | SEMI-TRAILER |
| License plate | OK AW7951 (Oklahoma) |
| Last inspected | 2025-08-12 |
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 |
|---|---|---|---|
| 2025-08-12 | 4U3S00515ML020359 | OK AW7951 | BISS UNLIMITED TRUCKING LLC · USDOT 2271797 |
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
Biss Unlimited Trucking Llc Active
- USDOT
- 2271797
- MC
- 775810
- Status
- Active
- Type
- Motor Carrier
- Based in
- Bonita Springs, FL
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 3
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 100%
Carrier recorded at the latest inspection in the available records (2025-08-12). 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
4U3S00515ML020359 is a 2021 X-l Specialized Trailers Inc operated by Biss Unlimited Trucking Llc (USDOT 2271797). License plate on its inspection records: OK AW7951. 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
2021 X-l Specialized Trailers Inc is the vehicle NHTSA’s VIN registry returns for 4U3S00515ML020359. It is a trailer built by BULL MOOSE HEAVY HAUL, INC at the MANCHESTER, IOWA plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2025-08-12). Across those inspections it was never placed out of service. Its most recent inspection (2025-08-12) was in Georgia, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Biss Unlimited Trucking Llc (USDOT 2271797) on 2025-08-12 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | X-L SPECIALIZED TRAILERS INC |
| Model | X-L SPECIALIZED TRAILERS INC |
| Model Year | 2021 |
| 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 | BULL MOOSE HEAVY HAUL, INC The legal manufacturer of record in NHTSA’s database. |
| Plant City | MANCHESTER Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | IOWA |
| Plant Country | UNITED STATES (USA) |
| Axles | 1 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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