Equipment unit · VIN-decoded · NHTSA vPIC

2018 Iowa Steel Fabrication Iowa Steel Fabrication, LLC.

1Z9M1AA29JA448314 · Trailer · TRAILER
Carriers run under1
26 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 12, 2023
KS
Last seenNov 23, 2025
UT
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1Z9M1AA29JA448314
Make
Iowa Steel Fabrication
Model
Iowa Steel Fabrication, LLC.
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 1, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1988 or 2018

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

North American serial sequence
448314

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
2018

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 · Sep 12, 2023 – Nov 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 23, 2025UTI · Full2MERRELL TRANSPORT LLC 2266737CW1758/OK
Oct 24, 2024AZI · Full2MERRELL TRANSPORT LLC 2266737CW1758/OK
Sep 12, 2023KSI · Full0MERRELL TRANSPORT LLC 2266737CW-1758/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MERRELL TRANSPORT LLC2266737Sep 12, 2023Nov 23, 20253OK
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.
CW1758OKMERRELL TRANSPORT LLCOct 24, 2024Nov 23, 20252
CW-1758OKMERRELL TRANSPORT LLCSep 12, 2023Sep 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026