Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar Tank Trailer

1PMKR4322R1126009 · Trailer · TRAILER
Carriers run under1
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJan 3, 2024
US
Last seenMay 12, 2026
KS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMKR4322R1126009
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2024
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
KR432

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
126009

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 · 159 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 159 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
2024

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 · Jan 3, 2024 – May 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2026KSI · Full0ST JOE EXPRESS INC 1015497843488/WI
Apr 1, 2026ARIII · Driver-only1ST JOE EXPRESS INC 1015497843488/WI
May 16, 2024KSI · Full0ST JOE EXPRESS INC 1015497843488/WI
Jan 3, 2024USI · Full0ST JOE EXPRESS INC 1015497843488/WI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ST JOE EXPRESS INC1015497Jan 3, 2024May 12, 20264WI
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.
843488WIST JOE EXPRESS INCJan 3, 2024May 12, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026