Equipment unit · VIN-decoded · NHTSA vPIC

2006 Polar Tank Trailer

1PMA1432X61029171 · Trailer · TRAILER
Carriers run under2
32 mo
Inspections8
all-time
OOS inspections0
of 8
First seenJun 14, 2023
CA
Last seenFeb 21, 2026
CA
Inspected under 2 different carriers in 32 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
1PMA1432X61029171
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2006
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
A1432

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2006 or 2036

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

North American serial sequence
029171

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 · 96 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 96 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
2006

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 · Jun 14, 2023 – Feb 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 21, 2026CAII · Walk-around0KA SHENG TRANSPORTATION LLC 37821504TH8119/CA
Dec 26, 2025CAII · Walk-around0KA SHENG TRANSPORTATION LLC 37821504TH8119/CA
Nov 14, 2024CAI · Full0JOJOMA TRANSPORT LLC 17553734TH8119/CA
Sep 26, 2024CAII · Walk-around0JOJOMA TRANSPORT LLC 17553734TH8119/CA
Dec 6, 2023CAI · Full0JOJOMA TRANSPORT LLC 17553734TH8119/CA
Dec 2, 2023CAI · Full2JOJOMA TRANSPORT LLC 17553734TH8119/CA
Nov 7, 2023CAII · Walk-around0JOJOMA TRANSPORT LLC 17553734TH8119/CA
Jun 14, 2023CAI · Full1JOJOMA TRANSPORT LLC 17553734TH8119/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KA SHENG TRANSPORTATION LLC3782150Dec 26, 2025Feb 21, 20262CA
JOJOMA TRANSPORT LLC1755373Jun 14, 2023Nov 14, 20246CA
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.
4TH8119CAKA SHENG TRANSPORTATION LLCDec 26, 2025Feb 21, 20262
4TH8119CAJOJOMA TRANSPORT LLCJun 14, 2023Nov 14, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026