Equipment unit · VIN-decoded · NHTSA vPIC

2011 Polar Tank Trailer

1PMA24429B5009072 · Trailer · TRAILER
Carriers run under2
2 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 29, 2023
TN
Last seenNov 16, 2023
KY
Inspected under 2 different carriers in 2 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
1PMA24429B5009072
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 29, 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
A2442

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1981 or 2011

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

North American serial sequence
009072

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 · 1,078 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 1,078 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
2011

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 – Nov 16, 2023

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 16, 2023KYII · Walk-around0TRI STAR TRANSPORT LLC 907272388532T/TN
Sep 29, 2023TNIII · Driver-only0TRI STATE IDEALEASE INC 973874388532T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRI STAR TRANSPORT LLC907272Nov 16, 2023Nov 16, 20231TN
TRI STATE IDEALEASE INC973874Sep 29, 2023Sep 29, 20231TN
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.
388532TTNTRI STAR TRANSPORT LLCNov 16, 2023Nov 16, 20231
388532TTNTRI STATE IDEALEASE INCSep 29, 2023Sep 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 29, 2026