Equipment unit · VIN-decoded · NHTSA vPIC

2011 Polar Tank Trailer

1PMA24421B5009776 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 21, 2023
AZ
Last seenAug 19, 2025
NV
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA24421B5009776
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
A2442

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
009776

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 · Jun 21, 2023 – Aug 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 19, 2025NVII · Walk-around1RELADYNE WEST LLC 2934059LGAOSC/AZ
Jun 11, 2025AZIII · Driver-only2RELADYNE WEST LLC 2934059LGA0SC/AZ
May 7, 2025AZI · Full1RELADYNE WEST LLC 2934059LGA0SC/AZ
Oct 11, 2023AZI · Full3RELADYNE WEST LLC 2934059LGA0SC/AZ
Jun 29, 2023AZII · Walk-around3RELADYNE WEST LLC 2934059LGA0SC/AZ
Jun 21, 2023AZII · Walk-around0RELADYNE WEST LLC 2934059LGA0SC/AZ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RELADYNE WEST LLC2934059Jun 21, 2023Aug 19, 20256UT
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.
LGAOSCAZRELADYNE WEST LLCAug 19, 2025Aug 19, 20251
LGA0SCAZRELADYNE WEST LLCJun 21, 2023Jun 11, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026