Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4329JA211448 · Trailer · TRAILER
Carriers run under3
21 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJun 22, 2023
WV
Last seenMar 18, 2025
WV
Inspected under 3 different carriers in 21 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
1M91H4329JA211448
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 · Jun 22, 2023 – Mar 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2025WVII · Walk-around1—HERITAGE BROTHERS LLC 3433780AJ7318/OK
Mar 11, 2024WVII · Walk-around2OOSDB ENTERPRISE INC 3269846AJ7318/OK
Jun 22, 2023WVII · Walk-around2OOSBROWN AND WHALEY TRUCKING LLC 3611985AJ7318/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HERITAGE BROTHERS LLC3433780Mar 18, 2025Mar 18, 20251WV
DB ENTERPRISE INC3269846Mar 11, 2024Mar 11, 20241OH
BROWN AND WHALEY TRUCKING LLC3611985Jun 22, 2023Jun 22, 20231WV
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.
AJ7318OK—HERITAGE BROTHERS LLCMar 18, 2025 → Mar 18, 20251
AJ7318OK—DB ENTERPRISE INCMar 11, 2024 → Mar 11, 20241
AJ7318OK—BROWN AND WHALEY TRUCKING LLCJun 22, 2023 → Jun 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026