Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar Tank Trailer

3H6KF4324R3124595 · Trailer · TRAILER
Carriers run under3
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenFeb 7, 2024
MI
Last seenApr 23, 2026
TX
Inspected under 3 different carriers in 26 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

VIN
3H6KF4324R3124595
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 20, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
3H6

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KF432

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1994 or 2024

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

North American serial sequence
124595

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 · 415 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 415 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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Polar Tank Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

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 · Feb 7, 2024 – Apr 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 23, 2026TXI · Full0PETRA CHEMICAL COMPANY LLC 611557E921780/MI
Feb 6, 2026TXI · Full0QUANTIX LIQUID TRANSPORTATION INC 328103E921780/MI
Feb 7, 2024MIII · Walk-around2PVS TRANSPORTATION INC 670832E921780/MI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETRA CHEMICAL COMPANY LLC611557Apr 23, 2026Apr 23, 20261TX
QUANTIX LIQUID TRANSPORTATION INC328103Feb 6, 2026Feb 6, 20261IL
PVS TRANSPORTATION INC670832Feb 7, 2024Feb 7, 20241MI
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.
E921780MI2PETRA CHEMICAL COMPANY LLCApr 23, 2026Apr 23, 20261
E921780MI2QUANTIX LIQUID TRANSPORTATION INCFeb 6, 2026Feb 6, 20261
E921780MI2PVS TRANSPORTATION INCFeb 7, 2024Feb 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 20, 2026