Equipment unit · VIN-decoded · NHTSA vPIC

2016 Polar Tank Trailer

1PMC64428G6046421 · TRAILER
Carriers run under1
36 mo
Inspections22
all-time
OOS inspections1
of 22
First seenJun 14, 2023
US
Last seenJun 8, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMC64428G6046421
Make
Polar Tank Trailer
Model
Not decoded
Model year
2016
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 13, 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
C6442

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1986 or 2016

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

North American serial sequence
046421

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 · 9 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 9 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
2016

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 14, 2023 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026CAI · Full0WINDSTAR TRUCKING LLC 2126272096C708/TX
Jun 1, 2026USI · Full0WINDSTAR TRUCKING LLC 2126272096C708/TX
Feb 18, 2026TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Dec 12, 2025TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Nov 3, 2025TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Aug 1, 2025TXII · Walk-around3WINDSTAR TRUCKING LLC 2126272096C708/TX
Apr 9, 2025TXII · Walk-around2WINDSTAR TRUCKING LLC 2126272096C708/TX
Apr 3, 2025TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Mar 20, 2025USI · Full0WINDSTAR TRUCKING LLC 2126272096C708/TX
Jan 2, 2025TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Aug 19, 2024TXI · Full2WINDSTAR TRUCKING LLC 2126272096C708/TX
Jan 10, 2024USII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Jan 9, 2024TXII · Walk-around0WINDSTAR TRUCKING LLC 2126272096C708/TX
Jan 5, 2024TXII · Walk-around1WINDSTAR TRUCKING LLC 2126272096C708/TX
Dec 21, 2023TXII · Walk-around2OOSWINDSTAR TRUCKING LLC 2126272096C708/TX
Dec 18, 2023TXII · Walk-around2WINDSTAR TRUCKING LLC 2126272096C708/TX
Oct 23, 2023USI · Full1WINDSTAR TRUCKING LLC 2126272096C708/TX
Oct 19, 2023USI · Full2WINDSTAR TRUCKING LLC 2126272096C708/TX
Oct 5, 2023TXII · Walk-around1WINDSTAR TRUCKING LLC 2126272096C708/TX
Sep 28, 2023TXII · Walk-around2WINDSTAR TRUCKING LLC 2126272096C708/TX
Sep 19, 2023TXI · Full3WINDSTAR TRUCKING LLC 2126272096C708/TX
Jun 14, 2023USI · Full1WINDSTAR TRUCKING LLC 2126272096C708/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WINDSTAR TRUCKING LLC2126272Jun 14, 2023Jun 8, 202622TX
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.
096C708TXWINDSTAR TRUCKING LLCJun 14, 2023Jun 8, 202622
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 13, 2026