Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4323JA211848 · Trailer · TRAILER
Carriers run under3
6 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJun 23, 2025
TX
Last seenDec 29, 2025
LA
Inspected under 3 different carriers in 6 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
1M91H4323JA211848
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 · Jun 23, 2025 – Dec 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 29, 2025LAIII · Driver-only1—LAMAR TRANSPORTATION LLC 1837548AJ9283/OK
Sep 10, 2025TXII · Walk-around4—HARDNOCK LIMITED COMPANY 4048951AJ9283/OK
Jun 23, 2025TXII · Walk-around0—THE TRANSPORTATION BRIDGE LLC 3569385AJ9283/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LAMAR TRANSPORTATION LLC1837548Dec 29, 2025Dec 29, 20251TX
HARDNOCK LIMITED COMPANY4048951Sep 10, 2025Sep 10, 20251TX
THE TRANSPORTATION BRIDGE LLC3569385Jun 23, 2025Jun 23, 20251TX
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.
AJ9283OK—LAMAR TRANSPORTATION LLCDec 29, 2025 → Dec 29, 20251
AJ9283OK—HARDNOCK LIMITED COMPANYSep 10, 2025 → Sep 10, 20251
AJ9283OK—THE TRANSPORTATION BRIDGE LLCJun 23, 2025 → Jun 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026