Equipment unit · VIN-decoded · NHTSA vPIC

2003 Polar Tank Trailer

1PMA2442335003561 · Trailer · TRAILER
Carriers run under1
22 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJul 26, 2024
TN
Last seenMay 20, 2026
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA2442335003561
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2003
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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2003 or 2033

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

North American serial sequence
003561

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
2003

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 · Jul 26, 2024 – May 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 20, 2026TNII · Walk-around1OOSDUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/ME
Mar 19, 2026TNII · Walk-around0DUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/TN
Aug 19, 2025TNII · Walk-around1OOSDUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/ME
Mar 25, 2025TNI · Full3OOSDUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/ME
Sep 19, 2024TNII · Walk-around0DUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/ME
Jul 26, 2024TNIII · Driver-only0DUNCAN OIL TRANSPORTATION SOLUTIONS LLC 17644565273934/UK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DUNCAN OIL TRANSPORTATION SOLUTIONS LLC1764456Jul 26, 2024May 20, 20266OH
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.
5273934MEDUNCAN OIL TRANSPORTATION SOLUTIONS LLCSep 19, 2024May 20, 20264
5273934TNDUNCAN OIL TRANSPORTATION SOLUTIONS LLCMar 19, 2026Mar 19, 20261
5273934UKDUNCAN OIL TRANSPORTATION SOLUTIONS LLCJul 26, 2024Jul 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026