Equipment unit · VIN-decoded · NHTSA vPIC

3H6KF4322R3121758

Not yet decoded
Carriers run under1
28 mo
Inspections2
all-time
OOS inspections0
of 2
First seenDec 6, 2023
KY
Last seenApr 6, 2026
IL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
3H6

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KF432

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1994 or 2024

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

North American serial sequence
121758

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 · 415 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 415 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.

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 · Dec 6, 2023 – Apr 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 6, 2026ILII · Walk-around5KAUFMAN TRANSPORTATION SERVICE INC 461904869482ST/IL
Dec 6, 2023KYI · Full0KAUFMAN TRANSPORTATION SERVICE INC 461904869482ST/IL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAUFMAN TRANSPORTATION SERVICE INC461904Dec 6, 2023Apr 6, 20262IL
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.
869482STILKAUFMAN TRANSPORTATION SERVICE INCDec 6, 2023Apr 6, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC