Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4321JA211136 · Trailer · TRAILER
Carriers run under4
24 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJun 29, 2023
WV
Last seenJun 4, 2025
OH
Inspected under 4 different carriers in 24 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
1M91H4321JA211136
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 · Jun 29, 2023 – Jun 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 4, 2025OHII · Walk-around3OOSHAWKINS LLC 3821125CD3957/OK
Oct 29, 2024PAI · Full3—MUTHLER MOUNTAIN TRUCKING LLC 4154396CD3957/OK
Nov 7, 2023PAI · Full10OOSMARCELLUS ENERGY SERVICES LLC 924510CD3957/OK
Jun 29, 2023WVII · Walk-around3—CROSS ROADS LOGISTICS LLC 3823790CD3930/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAWKINS LLC3821125Jun 4, 2025Jun 4, 20251PA
MUTHLER MOUNTAIN TRUCKING LLC4154396Oct 29, 2024Oct 29, 20241PA
MARCELLUS ENERGY SERVICES LLC924510Nov 7, 2023Nov 7, 20231NY
CROSS ROADS LOGISTICS LLC3823790Jun 29, 2023Jun 29, 20231KY
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.
CD3957OK—HAWKINS LLCJun 4, 2025 → Jun 4, 20251
CD3957OK—MUTHLER MOUNTAIN TRUCKING LLCOct 29, 2024 → Oct 29, 20241
CD3957OK—MARCELLUS ENERGY SERVICES LLCNov 7, 2023 → Nov 7, 20231
CD3930OK—CROSS ROADS LOGISTICS LLCJun 29, 2023 → Jun 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026