Equipment unit · VIN-decoded · NHTSA vPIC

2021 Carmex

3A9DM4839MG019664 · TRAILER
Carriers run under2
10 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJan 11, 2024
TX
Last seenNov 11, 2024
TX
Inspected under 2 different carriers in 10 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
3A9DM4839MG019664
Make
Carmex
Model
Not decoded
Model year
2021
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.
02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 11, 2024 – Nov 11, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 11, 2024TXII · Walk-around5—PETROLIFICOS DE MONTERREY SA DE CV 391046492UG1A/MX
Oct 31, 2024TXII · Walk-around0—PETROLIFICOS DE MONTERREY SA DE CV 391046492UG1A/MX
May 17, 2024TXII · Walk-around5OOSPETROLIFICOS DE MONTERREY SA DE CV 391046492UG1A/MX
Apr 30, 2024USI · Full1—PETROLIFICOS DE MONTERREY SA DE CV 391046492UG1A/MX
Apr 1, 2024TXI · Full5OOSPETROLIFICOS DE MONTERREY SA DE CV 391046492UG1A/MX
Jan 11, 2024TXII · Walk-around2—SAM PETRO TRANSPORTATION LLC 414032592UG1A/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PETROLIFICOS DE MONTERREY SA DE CV3910464Apr 1, 2024Nov 11, 20245TA
SAM PETRO TRANSPORTATION LLC4140325Jan 11, 2024Jan 11, 20241TX
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.
92UG1AMX2PETROLIFICOS DE MONTERREY SA DE CVApr 1, 2024 → Nov 11, 20245
92UG1AMX—SAM PETRO TRANSPORTATION LLCJan 11, 2024 → Jan 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026