Equipment unit · VIN-decoded · NHTSA vPIC

2016 Polar Tank Trailer

1PMS1422XG1046558 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections3
all-time
OOS inspections0
of 3
First seenMar 8, 2024
OK
Last seenMar 10, 2026
KS
Inspected under 2 different carriers in 24 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
1PMS1422XG1046558
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2016
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
S1422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
046558

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 · 126 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 126 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
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 · Mar 8, 2024 – Mar 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 10, 2026KSI · Full0HARGUES TRUCKING LLC 400642Y84328/TX
Jun 2, 2025TXII · Walk-around2HARGUES TRUCKING LLC 400642Y84328/TX
Mar 8, 2024OKIII · Driver-only1CASPER EXPRESS INC 1387259Y84328/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HARGUES TRUCKING LLC400642Jun 2, 2025Mar 10, 20262TX
CASPER EXPRESS INC1387259Mar 8, 2024Mar 8, 20241OK
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.
Y84328TXHARGUES TRUCKING LLCJun 2, 2025Mar 10, 20262
Y84328TXCASPER EXPRESS INCMar 8, 2024Mar 8, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026