VIN 1PMS4422221024943 — 2002 Polar Tank Trailer (POLAR MFG.) Polar Tank Trailer
Recorded with Ziron Environmental Services Inc · USDOT 426538
Vehicle identity
| VIN | 1PMS4422221024943 |
| Model year | 2002 |
| Make | Polar Tank Trailer (POLAR MFG.) |
| Model | Polar Tank Trailer |
| Vehicle type | SEMI-TRAILER |
| License plate | IL 730991ST (Illinois) |
| Inspection window | 2024-10-30 to 2025-05-08 |
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 |
|---|---|---|---|
| 2025-05-08 | 1PMS4422221024943 | IL 730991ST | ZIRON ENVIRONMENTAL SERVICES INC · USDOT 426538 |
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
Ziron Environmental Services Inc Active
- USDOT
- 426538
- MC
- 288281
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- Chicago Heights, IL
- Power units
- 28
- Drivers
- 23
- Inspections (24 mo)
- 44
- Crashes (24 mo)
- 3
- Vehicle OOS rate
- 16.2%
Carrier recorded at the latest inspection in the available records (2025-05-08). 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
1PMS4422221024943 is a 2002 Polar Tank Trailer operated by Ziron Environmental Services Inc (USDOT 426538). License plate on its inspection records: IL 730991ST. 3 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
2002 Polar Tank Trailer is the vehicle NHTSA’s VIN registry returns for 1PMS4422221024943. It is a trailer built by POLAR TANK TRAILER, LLC at the OPOLE, MINNESOTA plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 3 FMCSA roadside inspections between 2024-10-30 and 2025-05-08. Across those inspections it was never placed out of service. Its most recent inspection (2025-05-08) was in Ohio, 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 Ziron Environmental Services Inc (USDOT 426538) from 2024-10-30 to 2025-05-08 — 3 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | POLAR TANK TRAILER |
| Model | Polar Tank Trailer |
| Model Year | 2002 |
| 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 | OPOLE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MINNESOTA |
| 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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