Equipment unit · VIN-decoded · NHTSA vPIC

1PMA34229C5009851

Not yet decoded
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 17, 2024
TX
Last seenJun 16, 2025
TX
Inspected under 2 different carriers in 6 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
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
A3422

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1982 or 2012

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

North American serial sequence
009851

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 · 201 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 201 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 · Dec 17, 2024 – Jun 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2025TXII · Walk-around3OOSHINOMEX TRUCKING INTERNATIONAL LLC 3467465254B952/TX
Dec 17, 2024TXII · Walk-around2HIDRO TAMEX SA DE CV 3747932254B952/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HINOMEX TRUCKING INTERNATIONAL LLC3467465Jun 16, 2025Jun 16, 20251TX
HIDRO TAMEX SA DE CV3747932Dec 17, 2024Dec 17, 20241TA
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.
254B952TXHINOMEX TRUCKING INTERNATIONAL LLCJun 16, 2025Jun 16, 20251
254B952TXHIDRO TAMEX SA DE CVDec 17, 2024Dec 17, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC