Equipment unit · VIN-decoded · NHTSA vPIC

1PMS34227H1048831

Not yet decoded
Carriers run under1
26 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 24, 2024
TX
Last seenMar 30, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1PM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S3422

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1987 or 2017

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
048831

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
POLAR TANK TRAILER

Prefix basis · 246 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 246 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 24, 2024 – Mar 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 30, 2026TXI · Full1LONEWOLF PETROLEUM COMPANY 2804031BZ9334/OK
Jan 24, 2024TXII · Walk-around0LONEWOLF PETROLEUM COMPANY 2804031595868ST/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LONEWOLF PETROLEUM COMPANY2804031Jan 24, 2024Mar 30, 20262IL
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
BZ9334OKLONEWOLF PETROLEUM COMPANYMar 30, 2026Mar 30, 20261
595868STILLONEWOLF PETROLEUM COMPANYJan 24, 2024Jan 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC