Equipment unit · VIN-decoded · NHTSA vPIC

2022 Polar Tank Trailer

1PMKF4328N1115843 · Trailer · TRAILER
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 29, 2023
KY
Last seenJul 7, 2025
OH
Inspected under 2 different carriers in 22 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
1PMKF4328N1115843
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
KF432

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1992 or 2022

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

North American serial sequence
115843

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 · 164 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 164 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
2022

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 · Sep 29, 2023 – Jul 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2025OHII · Walk-around0KAG SPECIALTY PRODUCTS GROUP LLC 76483TYJ29Y/NJ
Mar 17, 2025GAI · Full2KAG SPECIALTY PRODUCTS GROUP LLC 76483TYJ29Y/NJ
Sep 29, 2023KYII · Walk-around0CARBON EXPRESS INC 248337TYJ29Y/NJ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAG SPECIALTY PRODUCTS GROUP LLC76483Mar 17, 2025Jul 7, 20252OH
CARBON EXPRESS INC248337Sep 29, 2023Sep 29, 20231NJ
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.
TYJ29YNJ2KAG SPECIALTY PRODUCTS GROUP LLCMar 17, 2025Jul 7, 20252
TYJ29YNJCARBON EXPRESS INCSep 29, 2023Sep 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026