Equipment unit · VIN-decoded · NHTSA vPIC

2017 Iowa Steel Fabrication Iowa Steel Fabrication, LLC.

1Z9M1AA2XHA448218 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections10
all-time
OOS inspections3
of 10
First seenJul 26, 2023
MN
Last seenMay 27, 2026
ND
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1Z9M1AA2XHA448218
Make
Iowa Steel Fabrication
Model
Iowa Steel Fabrication, LLC.
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1987 or 2017

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

North American serial sequence
448218

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
2017

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 · Jul 26, 2023 – May 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 27, 2026NDII · Walk-around11NORTHDALE OIL INC 356786FT5431/ND
Jan 30, 2026NDIII · Driver-only0NORTHDALE OIL INC 356786FT5431/ND
Jan 30, 2025NDIII · Driver-only1NORTHDALE OIL INC 356786FT5431/ND
Oct 17, 2024NDII · Walk-around3OOSNORTHDALE OIL INC 356786FT5431/ND
Oct 1, 2024NDIII · Driver-only0NORTHDALE OIL INC 356786FT5431/ND
May 9, 2024MNIII · Driver-only1NORTHDALE OIL INC 356786FT5431/ND
Jan 31, 2024NDII · Walk-around2NORTHDALE OIL INC 356786T464968/ND
Oct 10, 2023MNIII · Driver-only0NORTHDALE OIL INC 356786T464968/ND
Sep 6, 2023NDI · Full5OOSNORTHDALE OIL INC 356786T464968/ND
Jul 26, 2023MNI · Full8OOSNORTHDALE OIL INC 356786T464968/ND
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NORTHDALE OIL INC356786Jul 26, 2023May 27, 202610ND
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.
FT5431NDNORTHDALE OIL INCMay 9, 2024May 27, 20266
T464968NDNORTHDALE OIL INCJul 26, 2023Jan 31, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026