VIN 1PMB1422045003643 — 2004 Polar Tank Trailer (POLA) Polar Tank Trailer
Recorded with Alamo Transit Company · USDOT 1941898
Vehicle identity
| VIN | 1PMB1422045003643 |
| Model year | 2004 |
| Make | Polar Tank Trailer (POLA) |
| Model | Polar Tank Trailer |
| Vehicle type | SEMI-TRAILER |
| License plate | TX 257B551 (Texas) |
| Inspection window | 2024-10-21 to 2026-10-15 |
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 |
|---|---|---|---|
| 2026-10-15 | 1PMB1422045003643 | TX 257B551 | ALAMO TRANSIT COMPANY · USDOT 1941898 |
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
Alamo Transit Company Active
- USDOT
- 1941898
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- San Antonio, TX
- Power units
- 172
- Drivers
- 172
- Inspections (24 mo)
- 321
- Crashes (24 mo)
- 15
- Vehicle OOS rate
- 23.6%
Carrier recorded at the latest inspection in the available records (2026-10-15). 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
1PMB1422045003643 is a 2004 Polar Tank Trailer operated by Alamo Transit Company (USDOT 1941898). License plate on its inspection records: TX 257B551. 4 roadside inspections 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
2004 Polar Tank Trailer is the vehicle NHTSA’s VIN registry returns for 1PMB1422045003643. It is a trailer built by POLAR TANK TRAILER, LLC at the SPRINGFIELD, MISSOURI plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 4 FMCSA roadside inspections between 2024-10-21 and 2026-10-15. Across those inspections it was never placed out of service. Its most recent inspection (2026-10-15) was in Texas, a Level I — full inspection of the driver and the vehicle. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Alamo Transit Company (USDOT 1941898) from 2024-10-21 to 2026-10-15 — 4 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | POLAR TANK TRAILER |
| Model | Polar Tank Trailer |
| Model Year | 2004 |
| 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 | POLAR TANK TRAILER, LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | SPRINGFIELD Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MISSOURI |
| 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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