Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4321JA211301 · Trailer · TRAILER
Carriers run under2
5 mo
Inspections3
all-time
OOS inspections2
of 3
First seenDec 8, 2023
TX
Last seenMay 14, 2024
TX
Inspected under 2 different carriers in 5 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
1M91H4321JA211301
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 · Dec 8, 2023 – May 14, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2024TXI · Full6OOSEFE MOTORS LLC 3723713CD4110/OK
Feb 26, 2024TXII · Walk-around12OOSJAMM SIX SERVICES LLC 1205325CD4110/OK
Dec 8, 2023TXII · Walk-around6—JAMM SIX SERVICES LLC 1205325CD4110/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EFE MOTORS LLC3723713May 14, 2024May 14, 20241TX
JAMM SIX SERVICES LLC1205325Dec 8, 2023Feb 26, 20242TX
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.
CD4110OK—EFE MOTORS LLCMay 14, 2024 → May 14, 20241
CD4110OK—JAMM SIX SERVICES LLCDec 8, 2023 → Feb 26, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026