Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H432XJA211801 · Trailer · TRAILER
Carriers run under5
28 mo
Inspections5
all-time
OOS inspections4
of 5
First seenJun 22, 2023
OH
Last seenOct 23, 2025
WV
Inspected under 5 different carriers in 28 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
1M91H432XJA211801
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 28, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1M9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1H432

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1988 or 2018

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
211801

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
MERTZ MANUFACTURING

Prefix basis · 152 decoded VINs at 100.0% prefix purity.

Model
Mertz Manufacturing, LLC

Prefix basis · 152 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
MERTZ MANUFACTURING

Observed directly for this VIN via NHTSA vPIC.

Observed model
Mertz Manufacturing, LLC

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 22, 2023 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025WVII · Walk-around2KRUNA TRANSPORTATION LLC 2266753AJ9242/OK
May 11, 2025PAI · Full7OOSNW TRANSPORT LLC 3597860AJ9242/OK
Nov 12, 2024OHII · Walk-around2OOSCACE TRUCKING CO LLC 2407159AJ9242/OK
Oct 7, 2024OHI · Full3OOSR & R EXPRESS INC 920564AJ9242/OK
Jun 22, 2023OHII · Walk-around1OOSNYDEN TRUCKING LLC 3188755AJ9242/OK
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KRUNA TRANSPORTATION LLC2266753Oct 23, 2025Oct 23, 20251PA
NW TRANSPORT LLC3597860May 11, 2025May 11, 20251IN
CACE TRUCKING CO LLC2407159Nov 12, 2024Nov 12, 20241TX
R & R EXPRESS INC920564Oct 7, 2024Oct 7, 20241PA
NYDEN TRUCKING LLC3188755Jun 22, 2023Jun 22, 20231OH
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.
AJ9242OKKRUNA TRANSPORTATION LLCOct 23, 2025Oct 23, 20251
AJ9242OKNW TRANSPORT LLCMay 11, 2025May 11, 20251
AJ9242OKCACE TRUCKING CO LLCNov 12, 2024Nov 12, 20241
AJ9242OKR & R EXPRESS INCOct 7, 2024Oct 7, 20241
AJ9242OKNYDEN TRUCKING LLCJun 22, 2023Jun 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026