Equipment unit · VIN-decoded · NHTSA vPIC

2022 Carmex

3A9DM4831NG019353 · TRAILER
Carriers run under3
21 mo
Inspections15
all-time
OOS inspections6
of 15
First seenNov 15, 2023
TX
Last seenAug 11, 2025
TX
Inspected under 3 different carriers in 21 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
3A9DM4831NG019353
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
1 · valid

Deterministic · position 9; calculated value 1.

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
019353

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 · Nov 15, 2023 – Aug 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 11, 2025TXII · Walk-around2MANTENIMIENTO LIMOSA SA DE CV 418230357X986V/TX
Dec 17, 2024USI · Full2OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Dec 2, 2024TXI · Full2PETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Oct 9, 2024TXI · Full10OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Sep 16, 2024TXII · Walk-around7OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Aug 16, 2024TXII · Walk-around3PETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Aug 16, 2024TXII · Walk-around6OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
May 1, 2024USI · Full3PETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Mar 15, 2024TXIII · Driver-only6OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Jan 31, 2024TXI · Full4PETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Jan 19, 2024TXII · Walk-around3NESTOR GONZALEZ QUINONES 327550713UM6B/MX
Jan 15, 2024TXII · Walk-around2OOSPETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Jan 3, 2024TXI · Full0PETROLIFICOS DE MONTERREY SA DE CV 391046413UM6B/MX
Dec 9, 2023TXII · Walk-around1NESTOR GONZALEZ QUINONES 327550713UM6B/MX
Nov 15, 2023TXI · Full0NESTOR GONZALEZ QUINONES 327550713UM6B/MX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MANTENIMIENTO LIMOSA SA DE CV4182303Aug 11, 2025Aug 11, 20251NL
PETROLIFICOS DE MONTERREY SA DE CV3910464Jan 3, 2024Dec 17, 202411TA
NESTOR GONZALEZ QUINONES3275507Nov 15, 2023Jan 19, 20243TA
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.
57X986VTXMANTENIMIENTO LIMOSA SA DE CVAug 11, 2025Aug 11, 20251
13UM6BMX2PETROLIFICOS DE MONTERREY SA DE CVJan 3, 2024Dec 17, 202411
13UM6BMXNESTOR GONZALEZ QUINONESNov 15, 2023Jan 19, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026