Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4321JA211993 · Trailer · TRAILER
Carriers run under3
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 24, 2024
TX
Last seenJul 29, 2025
TX
Inspected under 3 different carriers in 18 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
1M91H4321JA211993
Make
Mertz manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 25, 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 24, 2024 – Jul 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2025TXIII · Driver-only0COHIBA LLC 4008488CD3808/OK
Dec 31, 2024TXII · Walk-around8GONVI TRANSPORTATION SERVICES LLC 4074943CD3808/OK
Jan 24, 2024TXII · Walk-around3LJK TRANSPORT SERVICE LLC 3476960CD3808/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COHIBA LLC4008488Jul 29, 2025Jul 29, 20251TX
GONVI TRANSPORTATION SERVICES LLC4074943Dec 31, 2024Dec 31, 20241TX
LJK TRANSPORT SERVICE LLC3476960Jan 24, 2024Jan 24, 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.
CD3808OKCOHIBA LLCJul 29, 2025Jul 29, 20251
CD3808OKGONVI TRANSPORTATION SERVICES LLCDec 31, 2024Dec 31, 20241
CD3808OKLJK TRANSPORT SERVICE LLCJan 24, 2024Jan 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026