Equipment unit · VIN-decoded · NHTSA vPIC

2018 Polar Tank Trailer

1PMB14328J2008603 · TRAILER
Carriers run under1
21 mo
Inspections9
all-time
OOS inspections3
of 9
First seenApr 29, 2024
CA
Last seenJan 30, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMB14328J2008603
Make
Polar Tank Trailer
Model
Not decoded
Model year
2018
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 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
B1432

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1988 or 2018

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

North American serial sequence
008603

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 · 10 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 10 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Apr 29, 2024 – Jan 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 30, 2026CAI · Full5OOSSANTOYO TRANSPORT SA LLC 14344094XE4506/CA
Dec 4, 2025CAI · Full4SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
Nov 25, 2025CAII · Walk-around1OOSSANTOYO TRANSPORT SA LLC 14344094JX3188/CA
Jul 9, 2025CAIII · Driver-only0SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
Jul 4, 2025CAIII · Driver-only1SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
May 23, 2025CAI · Full0SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
Oct 22, 2024CAI · Full2OOSSANTOYO TRANSPORT SA LLC 14344094JX3188/CA
May 4, 2024CAI · Full0SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
Apr 29, 2024CAIV · Special1SANTOYO TRANSPORT SA LLC 14344094JX3188/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANTOYO TRANSPORT SA LLC1434409Apr 29, 2024Jan 30, 20269CA
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.
4XE4506CASANTOYO TRANSPORT SA LLCJan 30, 2026Jan 30, 20261
4JX3188CASANTOYO TRANSPORT SA LLCApr 29, 2024Dec 4, 20258
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 16, 2026