Equipment unit · VIN-decoded · NHTSA vPIC

2021 Carmex

3A9DM4833MG019384 · TRAILER
Carriers run under4
12 mo
Inspections9
all-time
OOS inspections4
of 9
First seenOct 23, 2023
TX
Last seenOct 30, 2024
TX
Inspected under 4 different carriers in 12 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
3A9DM4833MG019384
Make
Carmex
Model
Not decoded
Model year
2021
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1991 or 2021

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

North American serial sequence
019384

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
2021

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 23, 2023 – Oct 30, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 30, 2024TXII · Walk-around1OOSLUIS ALBERTO MELENDEZ MACIEL 374782215UM8T/MX
Oct 22, 2024TXI · Full4OOSLUIS ALBERTO MELENDEZ MACIEL 374782215UM8T/MX
Oct 21, 2024TXII · Walk-around1JESSICA LIZETH ACOSTA SANCHEZ 374789615UM8T/MX
Sep 23, 2024TXI · Full4OOSJESSICA LIZETH ACOSTA SANCHEZ 374789615UM8T/MX
Sep 3, 2024TXII · Walk-around0LUIS ALBERTO MELENDEZ MACIEL 374782215UM8T/MX
Jul 31, 2024TXII · Walk-around2YOLANDA MARES LUCIO 371088115UM8T/MX
Mar 15, 2024TXI · Full4OOSJORGE PRISCILIANO RENTERIA CAMPOS 355156915UM8T/MX
Nov 10, 2023TXII · Walk-around2YOLANDA MARES LUCIO 371088115UM8T/MX
Oct 23, 2023TXII · Walk-around7LUIS ALBERTO MELENDEZ MACIEL 374782215UN8T/MX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LUIS ALBERTO MELENDEZ MACIEL3747822Oct 23, 2023Oct 30, 20244TA
JESSICA LIZETH ACOSTA SANCHEZ3747896Sep 23, 2024Oct 21, 20242TA
YOLANDA MARES LUCIO3710881Nov 10, 2023Jul 31, 20242TA
JORGE PRISCILIANO RENTERIA CAMPOS3551569Mar 15, 2024Mar 15, 20241TA
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.
15UM8TMXLUIS ALBERTO MELENDEZ MACIELSep 3, 2024Oct 30, 20243
15UM8TMXJESSICA LIZETH ACOSTA SANCHEZSep 23, 2024Oct 21, 20242
15UM8TMXYOLANDA MARES LUCIONov 10, 2023Jul 31, 20242
15UM8TMXJORGE PRISCILIANO RENTERIA CAMPOSMar 15, 2024Mar 15, 20241
15UN8TMXLUIS ALBERTO MELENDEZ MACIELOct 23, 2023Oct 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026