Equipment unit · VIN-decoded · NHTSA vPIC

2022 Mertz manufacturing Mertz Manufacturing, LLC

7KF1H4322NA000523 · Trailer · TRAILER
Carriers run under2
7 mo
Inspections4
all-time
OOS inspections1
of 4
First seenFeb 20, 2025
TX
Last seenSep 16, 2025
TX
Inspected under 2 different carriers in 7 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
7KF1H4322NA000523
Make
Mertz manufacturing
Model
Mertz Manufacturing, LLC
Model year
2022
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 18, 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 · Feb 20, 2025 – Sep 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2025TXII · Walk-around0—MARES INSTALLATIONS INC 3908633AQ5304/OK
Aug 25, 2025TXII · Walk-around6OOSMARES INSTALLATIONS INC 3908633AQ5304/OK
May 14, 2025TXII · Walk-around1—COVENANT TRUCKING LLC 3195397AQ5304/OK
Feb 20, 2025TXII · Walk-around2—COVENANT TRUCKING LLC 3195397AQ5304/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARES INSTALLATIONS INC3908633Aug 25, 2025Sep 16, 20252TX
COVENANT TRUCKING LLC3195397Feb 20, 2025May 14, 20252TX
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.
AQ5304OK—MARES INSTALLATIONS INCAug 25, 2025 → Sep 16, 20252
AQ5304OK—COVENANT TRUCKING LLCFeb 20, 2025 → May 14, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 18, 2026