Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4321JA211234 · Trailer · TRAILER
Carriers run under4
6 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 7, 2025
LA
Last seenJan 13, 2026
OK
Inspected under 4 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
1M91H4321JA211234
Make
Mertz manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 6, 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 · Jul 7, 2025 – Jan 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 13, 2026OKI · Full1OOSONE SOURCE LOGISTICS INC 3781181CJ3383/OK
Aug 26, 2025OKIII · Driver-only0—KEVIN HUNTER TRUCKING LLC 2030729CJ3383/OK
Aug 7, 2025INII · Walk-around3—SILVERBACK ENERGY LLC 2353477CD4050/OK
Jul 7, 2025LAIII · Driver-only2—BILLEN AUTO TRANSPORT LLC 3456630CJ3383/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ONE SOURCE LOGISTICS INC3781181Jan 13, 2026Jan 13, 20261OK
KEVIN HUNTER TRUCKING LLC2030729Aug 26, 2025Aug 26, 20251OK
SILVERBACK ENERGY LLC2353477Aug 7, 2025Aug 7, 20251OK
BILLEN AUTO TRANSPORT LLC3456630Jul 7, 2025Jul 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.
CJ3383OK—ONE SOURCE LOGISTICS INCJan 13, 2026 → Jan 13, 20261
CJ3383OK—KEVIN HUNTER TRUCKING LLCAug 26, 2025 → Aug 26, 20251
CD4050OK—SILVERBACK ENERGY LLCAug 7, 2025 → Aug 7, 20251
CJ3383OK—BILLEN AUTO TRANSPORT LLCJul 7, 2025 → Jul 7, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026