Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H432XJA211636 · Trailer · TRAILER
Carriers run under3
7 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 7, 2025
TX
Last seenApr 17, 2026
TX
Inspected under 3 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
1M91H432XJA211636
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 · Sep 7, 2025 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026TXI · Full3OOSEXPRESSWAY TRUCKING LLC 3717918AJ9042/OK
Nov 27, 2025TXII · Walk-around1—JOEL DIAZ XPRESS LLC 3848130AJ9042/OK
Sep 7, 2025TXII · Walk-around0—R L WALKER TRANSPORT INC 574082AJ9042/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EXPRESSWAY TRUCKING LLC3717918Apr 17, 2026Apr 17, 20261OK
JOEL DIAZ XPRESS LLC3848130Nov 27, 2025Nov 27, 20251TX
R L WALKER TRANSPORT INC574082Sep 7, 2025Sep 7, 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.
AJ9042OK—EXPRESSWAY TRUCKING LLCApr 17, 2026 → Apr 17, 20261
AJ9042OK—JOEL DIAZ XPRESS LLCNov 27, 2025 → Nov 27, 20251
AJ9042OK—R L WALKER TRANSPORT INCSep 7, 2025 → Sep 7, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026