VIN 1S9SS4954ML476935 — 2021 L. B. SMIT SMITHCO MANUFACTURING
Recorded with Castros Transport Llc · USDOT 3646981
Vehicle identity
| VIN | 1S9SS4954ML476935 |
| Model year | 2021 |
| Make | L. B. SMIT |
| Model | SMITHCO MANUFACTURING |
| Vehicle type | SEMI-TRAILER |
| License plate | NV 20943PT (Nevada) |
| Last inspected | 2025-09-10 |
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 |
|---|---|---|---|
| 2025-09-10 | 1S9SS4954ML476935 | NV 20943PT | CASTROS TRANSPORT LLC · USDOT 3646981 |
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
Castros Transport Llc Active
- USDOT
- 3646981
- MC
- 1255578
- Status
- Active
- Type
- Motor Carrier
- Based in
- Las Vegas, NV
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 3
- Crashes (24 mo)
- 1
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2025-09-10). 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
1S9SS4954ML476935 is a 2021 L. B. SMIT SMITHCO MANUFACTURING operated by Castros Transport Llc (USDOT 3646981). License plate on its inspection records: NV 20943PT. 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 L. B. SMIT SMITHCO MANUFACTURING is the vehicle NHTSA’s VIN registry returns for 1S9SS4954ML476935. It is a trailer built by SMITHCO MANUFACTURING at the LE MARS, IOWA plant.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2025-09-10). Across those inspections it was never placed out of service. Its most recent inspection (2025-09-10) was in Nevada, 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 Castros Transport Llc (USDOT 3646981) on 2025-09-10 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | SMITHCO MANUFACTURING |
| Model | SMITHCO MANUFACTURING |
| 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 | SMITHCO MANUFACTURING The legal manufacturer of record in NHTSA’s database. |
| Plant City | LE MARS Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | IOWA |
| Plant Country | UNITED STATES (USA) |
| Axles | 5 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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