Equipment unit · VIN-decoded · NHTSA vPIC

3H6KR4226R3122212

Not yet decoded
Carriers run under2
30 mo
Inspections2
all-time
OOS inspections0
of 2
First seenNov 21, 2023
KS
Last seenMay 11, 2026
NE
Inspected under 2 different carriers in 30 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
KR422

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
122212

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 · 20 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 20 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 · Nov 21, 2023 – May 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 11, 2026NEIII · Driver-only0J D K TRUCKING LLC 671210CW5151/OK
Nov 21, 2023KSII · Walk-around1HOSS TRUCKING LLC 1706335CX1439/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J D K TRUCKING LLC671210May 11, 2026May 11, 20261KS
HOSS TRUCKING LLC1706335Nov 21, 2023Nov 21, 20231KS
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.
CW5151OKJ D K TRUCKING LLCMay 11, 2026May 11, 20261
CX1439OKHOSS TRUCKING LLCNov 21, 2023Nov 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC