Equipment unit · VIN-decoded · NHTSA vPIC

3H6KF4321M3110095

Not yet decoded
Carriers run under2
5 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 4, 2023
CA
Last seenMar 20, 2024
AZ
Inspected under 2 different carriers in 5 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

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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1991 or 2021

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

North American serial sequence
110095

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 · Oct 4, 2023 – Mar 20, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 20, 2024AZIII · Driver-only2VENTURA TRANSFER COMPANY 574384SS5913/CA
Oct 4, 2023CAIII · Driver-only1TRANSNATIONAL LINE INC 20275944SS5913/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VENTURA TRANSFER COMPANY57438Mar 20, 2024Mar 20, 20241CA
TRANSNATIONAL LINE INC2027594Oct 4, 2023Oct 4, 20231CA
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.
4SS5913CA2VENTURA TRANSFER COMPANYMar 20, 2024Mar 20, 20241
4SS5913CATRANSNATIONAL LINE INCOct 4, 2023Oct 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC