Equipment unit · VIN-decoded · NHTSA vPIC

2017 Polar Tank Trailer

1PMC6442XH6046423 · TRAILER
Carriers run under1
35 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJul 5, 2023
VA
Last seenJun 30, 2026
VA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1PMC6442XH6046423
Make
Polar Tank Trailer
Model
Not decoded
Model year
2017
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 11, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
046423

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
2017

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 · Jul 5, 2023 – Jun 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2026VAI · Full0FOSTER FUELS INC 263622809326TL/VA
Jun 10, 2026NCII · Walk-around0FOSTER FUELS INC 263622809326TL/VA
Oct 22, 2024NCIII · Driver-only0FOSTER FUELS INC 263622809326TL/VA
Apr 4, 2024VAI · Full0FOSTER FUELS INC 263622809326TL/VA
Aug 15, 2023VAI · Full0FOSTER FUELS INC 263622809326TL/VA
Jul 5, 2023VAII · Walk-around0FOSTER FUELS INC 263622809326TL/VA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FOSTER FUELS INC263622Jul 5, 2023Jun 30, 20266VA
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.
809326TLVA2FOSTER FUELS INCJul 5, 2023Jun 30, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 11, 2026