Equipment unit · VIN-decoded · NHTSA vPIC

2020 Polar Tank Trailer

1PMKF432XL1105358 · Trailer · TRAILER
Carriers run under2
8 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJan 17, 2025
AR
Last seenSep 1, 2025
AR
Inspected under 2 different carriers in 8 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
1PMKF432XL1105358
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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
1PM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KF432

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1990 or 2020

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

North American serial sequence
105358

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 · 164 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 164 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
2020

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 · Jan 17, 2025 – Sep 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 1, 2025ARIII · Driver-only0PREFERRED MATERIALS INC 1072241J686564/LA
May 17, 2025ARII · Walk-around0PREFERRED TANK LINES LLC 2316473J686564/LA
Jan 24, 2025LAIII · Driver-only0PREFERRED TANK LINES LLC 2316473J686564/LA
Jan 17, 2025ARI · Full0PREFERRED TANK LINES LLC 2316473J686564/LA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PREFERRED MATERIALS INC1072241Sep 1, 2025Sep 1, 20251LA
PREFERRED TANK LINES LLC2316473Jan 17, 2025May 17, 20253LA
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.
J686564LAPREFERRED MATERIALS INCSep 1, 2025Sep 1, 20251
J686564LAPREFERRED TANK LINES LLCJan 17, 2025May 17, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026