VIN 1Z9TD1628MK653021 — 2021 UNPUBLISHE
Recorded with Discovery Drilling Inc · USDOT 521441
Vehicle identity
| VIN | 1Z9TD1628MK653021 |
| Model year | 2021 |
| Make | UNPUBLISHE |
| Vehicle type | FULL TRAILER |
| License plate | AK 3769TK (Alaska) |
| Last inspected | 2026-01-20 |
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 |
|---|---|---|---|
| 2026-01-20 | 1Z9TD1628MK653021 | AK 3769TK | DISCOVERY DRILLING INC · USDOT 521441 |
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
Discovery Drilling Inc Active
- USDOT
- 521441
- MC
- —
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- Anchorage, AK
- Power units
- 34
- Drivers
- 30
- Inspections (24 mo)
- 18
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 16.7%
Carrier recorded at the latest inspection in the available records (2026-01-20). 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
1Z9TD1628MK653021 is a 2021 UNPUBLISHE operated by Discovery Drilling Inc (USDOT 521441). License plate on its inspection records: AK 3769TK. 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 UNPUBLISHE is the vehicle NHTSA’s VIN registry returns for 1Z9TD1628MK653021. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-01-20). Across those inspections it was never placed out of service. Its most recent inspection (2026-01-20) was in Alaska, 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 Discovery Drilling Inc (USDOT 521441) on 2026-01-20 — 1 inspection, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | FOUR DEGREE TRAILER COMPANY |
| Model Year | 2021 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Manufacturer | FOUR DEGREE TRAILER COMPANY The legal manufacturer of record in NHTSA’s database. |
Operator & inspection history
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Frequently Asked Questions
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