Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar Tank Trailer

1PMKW4429P6115497 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJun 20, 2023
VT
Last seenApr 9, 2026
NY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKW4429P6115497
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
KW442

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1993 or 2023

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

North American serial sequence
115497

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 · 5 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 5 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
2023

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 · Jun 20, 2023 – Apr 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2026NYIII · Driver-only0NORTHERN GAS TRANSPORT INC 863105167113/ME
Apr 22, 2025NYI · Full2OOSNORTHERN GAS TRANSPORT INC 863105167113/ME
Apr 17, 2025NYII · Walk-around1OOSNORTHERN GAS TRANSPORT INC 863105167113/ME
Nov 6, 2024VTIII · Driver-only0NORTHERN GAS TRANSPORT INC 863105167113/ME
May 15, 2024NYI · Full0NORTHERN GAS TRANSPORT INC 86310BE88700/ME
Apr 23, 2024VTII · Walk-around0NORTHERN GAS TRANSPORT INC 863105167113/ME
Jun 20, 2023VTII · Walk-around0NORTHERN GAS TRANSPORT INC 863105167113/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHERN GAS TRANSPORT INC86310Jun 20, 2023Apr 9, 20267VT
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.
5167113MENORTHERN GAS TRANSPORT INCJun 20, 2023Apr 9, 20266
BE88700MENORTHERN GAS TRANSPORT INCMay 15, 2024May 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026