Equipment unit · VIN-decoded · NHTSA vPIC

2019 Iowa steel fabrication Iowa Steel Fabrication, LLC.

1Z9M1AA20KA448414 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections9
all-time
OOS inspections1
of 9
First seenAug 3, 2023
WY
Last seenAug 19, 2025
ND
Inspected under 2 different carriers in 24 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
1Z9M1AA20KA448414
Make
Iowa steel fabrication
Model
Iowa Steel Fabrication, LLC.
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 23, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 3, 2023 – Aug 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 19, 2025NDI · Full0—DIXON BROSINC 122815TN7580/ID
Jun 11, 2025SDII · Walk-around1—DIXON BROSINC 122815TN7580/ID
Mar 25, 2025NDI · Full0—DIXON BROSINC 122815TN7580/ID
Mar 5, 2025SDII · Walk-around4OOSDIXON BROSINC 122815TN7580/ID
Dec 13, 2024COIII · Driver-only1—THUREL MASON TRUCKING INC 347339TN7850/ID
Aug 12, 2024NDIII · Driver-only0—DIXON BROSINC 122815TN7580/ID
Apr 12, 2024SDI · Full1—DIXON BROSINC 122815TN7580/WY
Oct 20, 2023NDI · Full0—DIXON BROSINC 122815TN7580/ID
Aug 3, 2023WYI · Full3—DIXON BROSINC 122815TN7580/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIXON BROSINC122815Aug 3, 2023Aug 19, 20258WY
THUREL MASON TRUCKING INC347339Dec 13, 2024Dec 13, 20241UT
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.
TN7580ID2DIXON BROSINCAug 3, 2023 → Aug 19, 20257
TN7850ID—THUREL MASON TRUCKING INCDec 13, 2024 → Dec 13, 20241
TN7580WY2DIXON BROSINCApr 12, 2024 → Apr 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 23, 2026