Equipment unit · VIN-decoded · NHTSA vPIC

2012 Polar Tank Trailer

1PMA34420C1039163 · Trailer · TRAILER
Carriers run under1
19 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 19, 2024
IL
Last seenFeb 3, 2026
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA34420C1039163
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2012
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
A3442

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
039163

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 · 87 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 87 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
2012

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 · Jul 19, 2024 – Feb 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 3, 2026INIII · Driver-only1ATLAS OIL TRANSPORTATION INC 287646F004482/MI
Feb 3, 2026INIII · Driver-only1ATLAS OIL TRANSPORTATION INC 287646FOO4481/MI
Sep 26, 2024ILIII · Driver-only0ATLAS OIL TRANSPORTATION INC 287646F004482/MI
Jul 19, 2024ILII · Walk-around2ATLAS OIL TRANSPORTATION INC 287646F004482/MI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ATLAS OIL TRANSPORTATION INC287646Jul 19, 2024Feb 3, 20264MI
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.
F004482MIATLAS OIL TRANSPORTATION INCJul 19, 2024Feb 3, 20263
FOO4481MIATLAS OIL TRANSPORTATION INCFeb 3, 2026Feb 3, 20261
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026