Equipment unit · VIN-decoded · NHTSA vPIC

2022 Carmex

3A9DM4839NG019374 · TRAILER
Carriers run under3
3 mo
Inspections3
all-time
OOS inspections1
of 3
First seenMar 4, 2025
TX
Last seenJun 30, 2025
TX
Inspected under 3 different carriers in 3 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
3A9DM4839NG019374
Make
Carmex
Model
Not decoded
Model year
2022
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 2, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
019374

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 · Mar 4, 2025 – Jun 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 30, 2025TXII · Walk-around6OOSSERGIO TADEO RODRIGUEZ MARES 328061142UN3P/MX
May 28, 2025TXII · Walk-around4LOGICE CORP SA DE CV 405071342UN3P/MX
Mar 4, 2025TXII · Walk-around2EDELMIRO MELENDEZ HEREBIA 297725842UN3P/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SERGIO TADEO RODRIGUEZ MARES3280611Jun 30, 2025Jun 30, 20251TA
LOGICE CORP SA DE CV4050713May 28, 2025May 28, 20251GJ
EDELMIRO MELENDEZ HEREBIA2977258Mar 4, 2025Mar 4, 20251TA
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.
42UN3PMXSERGIO TADEO RODRIGUEZ MARESJun 30, 2025Jun 30, 20251
42UN3PMXLOGICE CORP SA DE CVMay 28, 2025May 28, 20251
42UN3PMXEDELMIRO MELENDEZ HEREBIAMar 4, 2025Mar 4, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 2, 2026