Equipment unit · VIN-decoded · NHTSA vPIC

2011 Polar Tank Trailer

1PMA14328B1036856 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 13, 2023
CA
Last seenAug 27, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA14328B1036856
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
A1432

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
036856

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 · 96 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 96 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 · Jun 13, 2023 – Aug 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2025CAI · Full1OOSROMERO TRANSPORTATION LLC 28095954LA3239/CA
May 22, 2025CAII · Walk-around0ROMERO TRANSPORTATION LLC 28095954LA3239/CA
Dec 5, 2024CAI · Full1ROMERO TRANSPORTATION LLC 28095954LA3239/CA
Nov 21, 2024CAIII · Driver-only2ROMERO TRANSPORTATION LLC 28095954LA3239/CA
Sep 25, 2023CAIII · Driver-only1ROMERO TRANSPORTATION LLC 28095954LA3239/CA
Jun 13, 2023CAII · Walk-around0ROMERO TRANSPORTATION LLC 28095954LA3239/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROMERO TRANSPORTATION LLC2809595Jun 13, 2023Aug 27, 20256CA
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.
4LA3239CAROMERO TRANSPORTATION LLCJun 13, 2023Aug 27, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026