Equipment unit · VIN-decoded · NHTSA vPIC

2023 Polar Tank Trailer

1PMKA4423P7120123 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 30, 2023
TX
Last seenJun 3, 2026
TX
Inspected under 2 different carriers in 34 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
1PMKA4423P7120123
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 23, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
120123

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.

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 · Aug 30, 2023 – Jun 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 3, 2026TXII · Walk-around1OOSRANGERS TRANSPORT INC 3342653J971059/LA
Oct 4, 2025TXII · Walk-around0RANGERS TRANSPORT INC 3342653J971059/LA
May 13, 2025TXI · Full1RANGERS TRANSPORT INC 3342653J971059/LA
Dec 4, 2023TXII · Walk-around0RANGERS TRANSPORT INC 3342653J971059/LA
Oct 16, 2023TXII · Walk-around0RANGERS TRANSPORT INC 3342653J971059/LA
Aug 30, 2023TXII · Walk-around0TIGER FUEL INC 2438455J971059/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RANGERS TRANSPORT INC3342653Oct 16, 2023Jun 3, 20265TX
TIGER FUEL INC2438455Aug 30, 2023Aug 30, 20231LA
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.
J971059LARANGERS TRANSPORT INCOct 16, 2023Jun 3, 20265
J971059TXTIGER FUEL INCAug 30, 2023Aug 30, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026