Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H432XJA211894 · Trailer · TRAILER
Carriers run under3
21 mo
Inspections4
all-time
OOS inspections3
of 4
First seen07/18/2024
TX
Last seen04/17/2026
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
1M91H432XJA211894
Make
Mertz manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
07/06/2026
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 · 07/18/2024 – 04/17/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
04/17/2026TXI · Full9—WINCAR TRUCKING LLC 4536943AJ9404/OK
09/26/2025TXII · Walk-around8OOSROLLING J'S LOGISTICS LLC 2840126AJ9404/OK
09/17/2025TXII · Walk-around6OOSROLLING J'S LOGISTICS LLC 2840126AJ9404/OK
07/18/2024TXII · Walk-around3OOSJUAN ENRIQUE GUERRA 716270AJ9404/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WINCAR TRUCKING LLC453694304/17/202604/17/20261OK
ROLLING J'S LOGISTICS LLC284012609/17/202509/26/20252TX
JUAN ENRIQUE GUERRA71627007/18/202407/18/20241TX
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.
AJ9404OK—WINCAR TRUCKING LLC04/17/2026 → 04/17/20261
AJ9404OK—ROLLING J'S LOGISTICS LLC09/17/2025 → 09/26/20252
AJ9404OK—JUAN ENRIQUE GUERRA07/18/2024 → 07/18/20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/06/2026