Equipment unit · VIN-decoded · NHTSA vPIC

2024 Iowa Steel Fabricators, Llc

1Z9FT4424R9593175 · Trailer · TRAILER
Carriers run under2
23 mo
Inspections7
all-time
OOS inspections0
of 7
First seenMay 17, 2024
CA
Last seenApr 24, 2026
NV
Inspected under 2 different carriers in 23 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

VIN
1Z9FT4424R9593175
Make
Iowa Steel Fabricators, Llc
Model
Iowa Steel Fabricators, LLC
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
FT442

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

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
593175

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.

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
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
IOWA STEEL FABRICATORS, LLC

Observed directly for this VIN via NHTSA vPIC.

Observed model
Iowa Steel Fabricators, 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 · May 17, 2024 – Apr 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 24, 2026NVII · Walk-around0HUNT OIL OF CALIFORNIA 24326824VS4592/CA
Mar 31, 2026CAII · Walk-around0JACKSON GROUP LEASING INC 15101284VS4592/CA
Jun 10, 2025CAI · Full0JACKSON GROUP LEASING INC 15101284VS4592/CA
Mar 6, 2025CAII · Walk-around0HUNT OIL OF CALIFORNIA 24326824VS4592/CA
Dec 10, 2024NVII · Walk-around0HUNT OIL OF CALIFORNIA 24326824VS4592/CA
Sep 4, 2024CAII · Walk-around0HUNT OIL OF CALIFORNIA 24326824VS4592/CA
May 17, 2024CAII · Walk-around0HUNT OIL OF CALIFORNIA 24326824VS4592/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HUNT OIL OF CALIFORNIA2432682May 17, 2024Apr 24, 20265CA
JACKSON GROUP LEASING INC1510128Jun 10, 2025Mar 31, 20262UT
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.
4VS4592CAHUNT OIL OF CALIFORNIAMay 17, 2024Apr 24, 20265
4VS4592CAJACKSON GROUP LEASING INCJun 10, 2025Mar 31, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026