Equipment unit · VIN-decoded · NHTSA vPIC

2007 Polar Tank Trailer

1PMA3432171030396 · Trailer · TRAILER
Carriers run under1
32 mo
Inspections14
all-time
OOS inspections3
of 14
First seenJul 25, 2023
CA
Last seenMar 18, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMA3432171030396
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
A3432

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
030396

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 · 69 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 69 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 · Jul 25, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026CAI · Full6OOSRELIANT TANK DIVISION LLC 31975674UD1951/CA
Dec 8, 2025CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Oct 29, 2025CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Jun 17, 2025CAII · Walk-around1RELIANT TANK DIVISION LLC 31975674UD1951/CA
Mar 27, 2025CAI · Full0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Jan 22, 2025CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Jul 20, 2024CAIII · Driver-only0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Mar 23, 2024CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Jan 20, 2024CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Jan 20, 2024CAII · Walk-around1OOSRELIANT TANK DIVISION LLC 31975674UD1951/CA
Nov 28, 2023CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
Oct 28, 2023CAI · Full6RELIANT TANK DIVISION LLC 31975674UD1951/CA
Oct 24, 2023CAI · Full3OOSRELIANT TANK DIVISION LLC 31975674UD1951/CA
Jul 25, 2023CAII · Walk-around0RELIANT TANK DIVISION LLC 31975674UD1951/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RELIANT TANK DIVISION LLC3197567Jul 25, 2023Mar 18, 202614CA
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.
4UD1951CARELIANT TANK DIVISION LLCJul 25, 2023Mar 18, 202614
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026