Equipment unit · VIN-decoded · NHTSA vPIC

2011 Polar Tank Trailer

1PMA34229B5009587 · Trailer · TRAILER
Carriers run under1
19 mo
Inspections6
all-time
OOS inspections4
of 6
First seenDec 12, 2023
TX
Last seenJul 5, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA34229B5009587
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2011
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
A3422

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
009587

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 · 201 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 201 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 · Dec 12, 2023 – Jul 5, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 5, 2025TXII · Walk-around1PENNCO TRANSPORT INC 1292521142C550/TX
Jun 11, 2025TXII · Walk-around10OOSPENNCO TRANSPORT INC 1292521142C550/TX
Mar 6, 2025TXII · Walk-around6OOSPENNCO TRANSPORT INC 1292521142C550/TX
May 8, 2024TXII · Walk-around1PENNCO TRANSPORT INC 1292521142C550/TX
Dec 20, 2023TXII · Walk-around6OOSPENNCO TRANSPORT INC 1292521071B488/TX
Dec 12, 2023TXII · Walk-around11OOSPENNCO TRANSPORT INC 1292521071B488/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PENNCO TRANSPORT INC1292521Dec 12, 2023Jul 5, 20256TX
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.
142C550TXPENNCO TRANSPORT INCMay 8, 2024Jul 5, 20254
071B488TXPENNCO TRANSPORT INCDec 12, 2023Dec 20, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026