Equipment unit · VIN-decoded · NHTSA vPIC

2022 Polar Tank Trailer

1PMKA4421N7116102 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJun 14, 2023
LA
Last seenJun 10, 2026
LA
Inspected under 2 different carriers in 36 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
1PMKA4421N7116102
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2022
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
KA442

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
116102

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 · 387 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 387 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.

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 14, 2023 – Jun 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 10, 2026LAII · Walk-around0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
Jul 1, 2025LAII · Walk-around0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
May 13, 2025ARI · Full0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
Mar 15, 2025LAI · Full0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
Feb 2, 2025ARI · Full0—TNTX LLC 320657PT203209/AR
Oct 29, 2023ARII · Walk-around0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
Jun 14, 2023LAII · Walk-around0—CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203209/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENTRAL ARKANSAS PETROLEUM TRANSPORT313788Jun 14, 2023Jun 10, 20266AR
TNTX LLC320657Feb 2, 2025Feb 2, 20251TN
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.
PT203209AR—CENTRAL ARKANSAS PETROLEUM TRANSPORTJun 14, 2023 → Jun 10, 20266
PT203209AR—TNTX LLCFeb 2, 2025 → Feb 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026