Equipment unit · VIN-decoded · NHTSA vPIC

2007 Polar Tank Trailer

1PMA2442275005484 · Trailer · TRAILER
Carriers run under2
22 mo
Inspections10
all-time
OOS inspections1
of 10
First seenNov 18, 2023
AR
Last seenSep 28, 2025
AR
Inspected under 2 different carriers in 22 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA2442275005484
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2007
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2007 or 2037

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

North American serial sequence
005484

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
2007

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 · Nov 18, 2023 – Sep 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 28, 2025ARII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Jul 8, 2025ARII · Walk-around1CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Jun 22, 2025ARII · Walk-around1CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Sep 26, 2024ARII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Jul 25, 2024ARIII · Driver-only0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Jun 20, 2024ARII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Jun 8, 2024ARII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Mar 4, 2024OKII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
Dec 17, 2023ARI · Full7OOSTRI-STATE TRUCK CENTER INC 8039PT203215/AR
Nov 18, 2023ARII · Walk-around0CENTRAL ARKANSAS PETROLEUM TRANSPORT 313788PT203215/AR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENTRAL ARKANSAS PETROLEUM TRANSPORT313788Nov 18, 2023Sep 28, 20259AR
TRI-STATE TRUCK CENTER INC8039Dec 17, 2023Dec 17, 20231TN
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.
PT203215ARCENTRAL ARKANSAS PETROLEUM TRANSPORTNov 18, 2023Sep 28, 20259
PT203215ARTRI-STATE TRUCK CENTER INCDec 17, 2023Dec 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026