Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz manufacturing Mertz Manufacturing, LLC

1M91H4327JA211805 · Trailer · TRAILER
Carriers run under3
17 mo
Inspections3
all-time
OOS inspections1
of 3
First seenMay 20, 2024
WV
Last seenOct 7, 2025
PA
Inspected under 3 different carriers in 17 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
1M91H4327JA211805
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 · May 20, 2024 – Oct 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 7, 2025PAII · Walk-around6OOSNEUDER & SON'S TRUCKING LLC 3168437AJ9234/OK
Jun 17, 2024OHI · Full0—KRUNA TRANSPORTATION LLC 2266753AJ9234/OK
May 20, 2024WVII · Walk-around0—HAULIN' JACK SHIPPING SERVICE INC 2383172AJ9234/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NEUDER & SON'S TRUCKING LLC3168437Oct 7, 2025Oct 7, 20251PA
KRUNA TRANSPORTATION LLC2266753Jun 17, 2024Jun 17, 20241PA
HAULIN' JACK SHIPPING SERVICE INC2383172May 20, 2024May 20, 20241PA
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.
AJ9234OK—NEUDER & SON'S TRUCKING LLCOct 7, 2025 → Oct 7, 20251
AJ9234OK—KRUNA TRANSPORTATION LLCJun 17, 2024 → Jun 17, 20241
AJ9234OK—HAULIN' JACK SHIPPING SERVICE INCMay 20, 2024 → May 20, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026