Equipment unit · VIN-decoded · NHTSA vPIC

2018 Polar Tank Trailer

1PMS34320J1049727 · TRAILER
Carriers run under1
34 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJun 29, 2023
IL
Last seenApr 26, 2026
AR
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMS34320J1049727
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
S3432

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
049727

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
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 · Jun 29, 2023 – Apr 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 26, 2026ARIII · Driver-only0CAPITAL TRANSPORT INC 1500618114389A/MS
Nov 17, 2025KYII · Walk-around0CAPITAL TRANSPORT INC 1500618114387A/MS
Aug 26, 2024ALI · Full1CAPITAL TRANSPORT INC 1500618114389A/MS
Dec 27, 2023TNI · Full1OOSCAPITAL TRANSPORT INC 1500618114387A/MS
Jun 29, 2023ILIII · Driver-only1CAPITAL TRANSPORT INC 1500618114389A/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CAPITAL TRANSPORT INC1500618Jun 29, 2023Apr 26, 20265MS
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.
114389AMSCAPITAL TRANSPORT INCJun 29, 2023Apr 26, 20263
114387AMSCAPITAL TRANSPORT INCDec 27, 2023Nov 17, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 16, 2026