Equipment unit · VIN-decoded · NHTSA vPIC

2022 Carmex

3A9DM4837NG019342 · TRAILER
Carriers run under3
13 mo
Inspections11
all-time
OOS inspections3
of 11
First seenJul 6, 2023
TX
Last seenAug 28, 2024
TX
Inspected under 3 different carriers in 13 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
3A9DM4837NG019342
Make
Carmex
Model
Not decoded
Model year
2022
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
019342

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 · Jul 6, 2023 – Aug 28, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2024TXII · Walk-around3OOSPETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Jul 18, 2024TXI · Full9PETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Jul 1, 2024TXI · Full10OOSPETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
May 30, 2024USI · Full10PETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
May 28, 2024USI · Full4PETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Apr 11, 2024TXI · Full13PETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Jan 18, 2024TXII · Walk-around2PETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Jan 9, 2024TXI · Full9OOSPETROLIFICOS DE MONTERREY SA DE CV 391046492UM5B/MX
Dec 19, 2023TXII · Walk-around0NESTOR GONZALEZ QUINONES 327550792UM5B/MX
Nov 9, 2023TXI · Full10JORGE LUIS TORRES ALVAREZ 369337492UM5B/MX
Jul 6, 2023TXIII · Driver-only0NESTOR GONZALEZ QUINONES 327550792UM5B/TA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETROLIFICOS DE MONTERREY SA DE CV3910464Jan 9, 2024Aug 28, 20248TA
NESTOR GONZALEZ QUINONES3275507Jul 6, 2023Dec 19, 20232TA
JORGE LUIS TORRES ALVAREZ3693374Nov 9, 2023Nov 9, 20231TA
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.
92UM5BMX2PETROLIFICOS DE MONTERREY SA DE CVJan 9, 2024Aug 28, 20248
92UM5BMXNESTOR GONZALEZ QUINONESDec 19, 2023Dec 19, 20231
92UM5BMXJORGE LUIS TORRES ALVAREZNov 9, 2023Nov 9, 20231
92UM5BTANESTOR GONZALEZ QUINONESJul 6, 2023Jul 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026