Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4325JA211379 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 28, 2023
PA
Last seenJan 28, 2025
WV
Inspected under 2 different carriers in 18 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
1M91H4325JA211379
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.
View sourced platform decode
02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 28, 2023 – Jan 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 28, 2025WVIII · Driver-only0—HALLIBURTON ENERGY SERVICES INC 126693CD4213/OK
Aug 15, 2023PAIII · Driver-only0—BLACKHAWK TRUCKING INC 2115270CD4213/OK
Jul 28, 2023PAIII · Driver-only0—BLACKHAWK TRUCKING INC 2115270CD4213/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HALLIBURTON ENERGY SERVICES INC126693Jan 28, 2025Jan 28, 20251TX
BLACKHAWK TRUCKING INC2115270Jul 28, 2023Aug 15, 20232PA
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.
CD4213OK2HALLIBURTON ENERGY SERVICES INCJan 28, 2025 → Jan 28, 20251
CD4213OK—BLACKHAWK TRUCKING INCJul 28, 2023 → Aug 15, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026