Equipment unit · VIN-decoded · NHTSA vPIC

2001 Polar Tank Trailer

1PMA3422911024550 · Trailer · TRAILER
Carriers run under1
20 mo
Inspections6
all-time
OOS inspections2
of 6
First seenFeb 5, 2024
TX
Last seenOct 30, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA3422911024550
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2001
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
A3422

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2001 or 2031

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

North American serial sequence
024550

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 · 201 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 201 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
2001

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 5, 2024 – Oct 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2025TXII · Walk-around0KWW TRUCKING LLC 31691425301223/ME
Jul 24, 2025TXII · Walk-around7KWW TRUCKING LLC 31691425301223/ME
Feb 27, 2025TXI · Full9OOSKWW TRUCKING LLC 31691425301223/ME
Dec 18, 2024TXI · Full3KWW TRUCKING LLC 31691425301223/ME
Apr 1, 2024TXII · Walk-around1KWW TRUCKING LLC 31691425301223/ME
Feb 5, 2024TXII · Walk-around5OOSKWW TRUCKING LLC 3169142108B647/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KWW TRUCKING LLC3169142Feb 5, 2024Oct 30, 20256TX
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.
5301223MEKWW TRUCKING LLCApr 1, 2024Oct 30, 20255
108B647TXKWW TRUCKING LLCFeb 5, 2024Feb 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026