VIN 3H6KR4328M3112708 — 2021 Polar Tank Trailer (POLA) Polar Tank Trailer
Recorded with Unique Leasing Inc · USDOT 363676
Vehicle identity
| VIN | 3H6KR4328M3112708 |
| Model year | 2021 |
| Make | Polar Tank Trailer (POLA) |
| Model | Polar Tank Trailer |
| Vehicle type | SEMI-TRAILER |
| License plate | IL 745266ST (Illinois) |
| Last inspected | 2025-05-18 |
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 |
|---|---|---|---|
| 2025-05-18 | 3H6KR4328M3112708 | IL 745266ST | UNIQUE LEASING INC · USDOT 363676 |
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
Unique Leasing Inc Active
- USDOT
- 363676
- MC
- 222049
- Status
- Active
- Type
- Motor Carrier
- Based in
- San Antonio, TX
- Power units
- 208
- Drivers
- 202
- Inspections (24 mo)
- 169
- Crashes (24 mo)
- 12
- Vehicle OOS rate
- 14.7%
Carrier recorded at the latest inspection in the available records (2025-05-18). 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
3H6KR4328M3112708 is a 2021 Polar Tank Trailer operated by Unique Leasing Inc (USDOT 363676). License plate on its inspection records: IL 745266ST. 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 Polar Tank Trailer is the vehicle NHTSA’s VIN registry returns for 3H6KR4328M3112708. It is a trailer built by POLAR TANK TRAILER, LLC.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2025-05-18). Across those inspections it was never placed out of service. Its most recent inspection (2025-05-18) was in Texas, 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 Unique Leasing Inc (USDOT 363676) on 2025-05-18 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | POLAR TANK TRAILER |
| Model | Polar Tank Trailer |
| Model Year | 2021 |
| Series | SS NON SPEC. |
| 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 State | CHIHUAHUA |
| Plant Country | MEXICO |
| 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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