Equipment unit · VIN-decoded · NHTSA vPIC

1PMS34320J1049632

Not yet decoded
Carriers run under2
3 mo
Inspections2
all-time
OOS inspections1
of 2
First seenOct 19, 2023
LA
Last seenJan 25, 2024
MO
Inspected under 2 different carriers in 3 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
S3432

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1988 or 2018

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

North American serial sequence
049632

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 · 526 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 526 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 · Oct 19, 2023 – Jan 25, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 25, 2024MOII · Walk-around2OOSHENIFF TRANSPORTATION SYSTEMS LLC 759493631878ST/IL
Oct 19, 2023LAIII · Driver-only3MILLER TRANSPORTERS INC 87844631878ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HENIFF TRANSPORTATION SYSTEMS LLC759493Jan 25, 2024Jan 25, 20241IL
MILLER TRANSPORTERS INC87844Oct 19, 2023Oct 19, 20231AL
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.
631878STIL2HENIFF TRANSPORTATION SYSTEMS LLCJan 25, 2024Jan 25, 20241
631878STIL2MILLER TRANSPORTERS INCOct 19, 2023Oct 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC