Equipment unit · VIN-decoded · NHTSA vPIC

2007 Polar Tank Trailer

1PMS3432071030717 · Trailer · TRAILER
Carriers run under3
22 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 1, 2023
TX
Last seenOct 30, 2025
LA
Inspected under 3 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
1PMS3432071030717
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2007
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
S3432

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
030717

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 · 526 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 526 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 · Dec 1, 2023 – Oct 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2025LAIII · Driver-only2BRIAN WAYNE BROOKHART 913567DQ4194/OK
Sep 12, 2025NMII · Walk-around0GRAMMER LOGISTICS INC 184668T513496/IL
Dec 1, 2023TXI · Full2QUALITY CARRIERS INC 76600T513496/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BRIAN WAYNE BROOKHART913567Oct 30, 2025Oct 30, 20251TX
GRAMMER LOGISTICS INC184668Sep 12, 2025Sep 12, 20251IN
QUALITY CARRIERS INC76600Dec 1, 2023Dec 1, 20231FL
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.
DQ4194OKBRIAN WAYNE BROOKHARTOct 30, 2025Oct 30, 20251
T513496IL2GRAMMER LOGISTICS INCSep 12, 2025Sep 12, 20251
T513496ILQUALITY CARRIERS INCDec 1, 2023Dec 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026