Equipment unit · VIN-decoded · NHTSA vPIC

2022 Carmex

3A9DM483XNG019366 · TRAILER
Carriers run under3
24 mo
Inspections5
all-time
OOS inspections1
of 5
First seenOct 28, 2023
TX
Last seenOct 29, 2025
TX
Inspected under 3 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
3A9DM483XNG019366
Make
Carmex
Model
Not decoded
Model year
2022
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
3A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DM483

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1992 or 2022

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

North American serial sequence
019366

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2022

Observed directly for this VIN via NHTSA vPIC.

Observed make
CARMEX

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 28, 2023 – Oct 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 29, 2025TXII · Walk-around5LUIS ALBERTO MELENDEZ MACIEL 374782285UM7T/MX
Apr 10, 2025USI · Full9LUIS ALBERTO MELENDEZ MACIEL 374782285UM7T/MX
Mar 15, 2024TXII · Walk-around7OOSJULIO RODOLFO GONZALEZ OLVEDA 292750885UM7T/MX
Dec 12, 2023TXII · Walk-around1YOLANDA MARES LUCIO 371088185UM7T/MX
Oct 28, 2023TXII · Walk-around0YOLANDA MARES LUCIO 371088185UM7T/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LUIS ALBERTO MELENDEZ MACIEL3747822Apr 10, 2025Oct 29, 20252TA
JULIO RODOLFO GONZALEZ OLVEDA2927508Mar 15, 2024Mar 15, 20241MX
YOLANDA MARES LUCIO3710881Oct 28, 2023Dec 12, 20232TA
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.
85UM7TMXLUIS ALBERTO MELENDEZ MACIELApr 10, 2025Oct 29, 20252
85UM7TMXJULIO RODOLFO GONZALEZ OLVEDAMar 15, 2024Mar 15, 20241
85UM7TMXYOLANDA MARES LUCIOOct 28, 2023Dec 12, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026