Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar Tank Trailer

1PMKF422XP1118473 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections9
all-time
OOS inspections0
of 9
First seenJun 28, 2023
MI
Last seenApr 16, 2026
OH
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKF422XP1118473
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
KF422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
118473

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 · 14 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 14 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 28, 2023 – Apr 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 16, 2026OHI · Full1AIRGAS SPECIALTY PRODUCTS INC 1351125939AG/VA
Dec 16, 2025OHII · Walk-around0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
Dec 3, 2025OHII · Walk-around0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
Nov 3, 2025OHI · Full0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
Mar 19, 2025OHII · Walk-around0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
May 15, 2024OHI · Full0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
May 3, 2024OHI · Full0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
Nov 20, 2023OHII · Walk-around0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
Jun 28, 2023MII · Full0AIRGAS SPECIALTY PRODUCTS INC 13511259398AG/VA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AIRGAS SPECIALTY PRODUCTS INC1351125Jun 28, 2023Apr 16, 20269GA
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.
939AGVA2AIRGAS SPECIALTY PRODUCTS INCApr 16, 2026Apr 16, 20261
9398AGVA2AIRGAS SPECIALTY PRODUCTS INCJun 28, 2023Dec 16, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026