Equipment unit · VIN-decoded · NHTSA vPIC

1Z9FT4420L9593052

Not yet decoded
Carriers run under1
32 mo
Inspections2
all-time
OOS inspections0
of 2
First seenOct 9, 2023
MI
Last seenJun 16, 2026
MI
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
1Z9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FT442

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1990 or 2020

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

North American serial sequence
593052

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
IOWA STEEL FABRICATORS, LLC

Prefix basis · 11 decoded VINs at 100.0% prefix purity.

Model
Iowa Steel Fabricators, LLC

Prefix basis · 11 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 9, 2023 – Jun 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2026MIII · Walk-around0KRIST OIL COMPANY INC 168899F374199/MI
Oct 9, 2023MIII · Walk-around0KRIST OIL COMPANY INC 168899E301788/MI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KRIST OIL COMPANY INC168899Oct 9, 2023Jun 16, 20262MI
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.
F374199MI2KRIST OIL COMPANY INCJun 16, 2026Jun 16, 20261
E301788MI2KRIST OIL COMPANY INCOct 9, 2023Oct 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC