Equipment unit · VIN-decoded · NHTSA vPIC

2008 Polar Tank Trailer

1PMS3432081033344 · Trailer · TRAILER
Carriers run under2
31 mo
Inspections4
all-time
OOS inspections0
of 4
First seenNov 14, 2023
NY
Last seenJun 12, 2026
MS
Inspected under 2 different carriers in 31 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
1PMS3432081033344
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2008
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
S3432

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2008 or 2038

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

North American serial sequence
033344

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.

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
2008

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 · Nov 14, 2023 – Jun 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2026MSI · Full0ALTOM TRANSPORT INC 297572ST564114/IN
Oct 21, 2025OHI · Full0ALTOM TRANSPORT INC 297572564114ST/IL
Oct 3, 2025OHII · Walk-around0ALTOM TRANSPORT INC 297572564114ST/IL
Nov 14, 2023NYII · Walk-around2ALTOM CANADA ULC 2983515564114ST/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALTOM TRANSPORT INC297572Oct 3, 2025Jun 12, 20263IL
ALTOM CANADA ULC2983515Nov 14, 2023Nov 14, 20231ON
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.
ST564114IN2ALTOM TRANSPORT INCJun 12, 2026Jun 12, 20261
564114STIL2ALTOM TRANSPORT INCOct 3, 2025Oct 21, 20252
564114STILALTOM CANADA ULCNov 14, 2023Nov 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026