Equipment unit · VIN-decoded · NHTSA vPIC

2019 Iowa Steel Fabrication Iowa Steel Fabrication, LLC.

1Z9M1AA25KA448358 · Trailer · TRAILER
Carriers run under1
32 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 27, 2023
CO
Last seenFeb 22, 2026
KS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1Z9M1AA25KA448358
Make
Iowa Steel Fabrication
Model
Iowa Steel Fabrication, LLC.
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 12, 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
1Z9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
M1AA2

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1989 or 2019

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

North American serial sequence
448358

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 FABRICATION

Prefix basis · 90 decoded VINs at 100.0% prefix purity.

Model
Iowa Steel Fabrication, LLC.

Prefix basis · 90 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
IOWA STEEL FABRICATION

Observed directly for this VIN via NHTSA vPIC.

Observed model
Iowa Steel Fabrication, LLC.

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

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 · Jun 27, 2023 – Feb 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 22, 2026KSII · Walk-around2H&B TRANSPORT LLC 1903529EJWM48/CO
Apr 18, 2025COIII · Driver-only0H&B TRANSPORT LLC 1903529ABF924/CO
Jan 27, 2025COIII · Driver-only0H&B TRANSPORT LLC 1903529ABF924/CO
Jun 27, 2023COI · Full0H&B TRANSPORT LLC 1903529ABF924/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
H&B TRANSPORT LLC1903529Jun 27, 2023Feb 22, 20264CO
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.
EJWM48COH&B TRANSPORT LLCFeb 22, 2026Feb 22, 20261
ABF924COH&B TRANSPORT LLCJun 27, 2023Apr 18, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026