Equipment unit · VIN-decoded · NHTSA vPIC

2006 Polar Tank Trailer

1PMA2442665004840 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections7
all-time
OOS inspections0
of 7
First seenMay 4, 2024
CT
Last seenJul 18, 2026
CT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA2442665004840
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2006
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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2006 or 2036

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

North American serial sequence
004840

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
2006

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 · May 4, 2024 – Jul 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 18, 2026CTII · Walk-around0BROWN BEAR TRANSPORTATION LLC 29175325368059/ME
Mar 19, 2026CTII · Walk-around2BROWN BEAR TRANSPORTATION LLC 29175325368059/ME
Jun 21, 2025MAIII · Driver-only1BROWN BEAR TRANSPORTATION LLC 29175325368059/MA
Dec 19, 2024CTII · Walk-around0BROWN BEAR TRANSPORTATION LLC 29175325368059/ME
Jun 8, 2024CTI · Full6BROWN BEAR TRANSPORTATION LLC 29175325331338/ME
May 25, 2024CTII · Walk-around4BROWN BEAR TRANSPORTATION LLC 29175325331338/ME
May 4, 2024CTII · Walk-around2BROWN BEAR TRANSPORTATION LLC 29175325177851/IN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROWN BEAR TRANSPORTATION LLC2917532May 4, 2024Jul 18, 20267MA
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.
5368059ME2BROWN BEAR TRANSPORTATION LLCDec 19, 2024Jul 18, 20263
5368059MABROWN BEAR TRANSPORTATION LLCJun 21, 2025Jun 21, 20251
5331338MEBROWN BEAR TRANSPORTATION LLCMay 25, 2024Jun 8, 20242
5177851INBROWN BEAR TRANSPORTATION LLCMay 4, 2024May 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026