Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H4325JA211320 · Trailer · TRAILER
Carriers run under2
18 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 5, 2023
OH
Last seenMar 11, 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
1M91H4325JA211320
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 25, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
211320

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.

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 · Sep 5, 2023 – Mar 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2025WVII · Walk-around0—NYDEN TRUCKING LLC 3188755CD4149/OK
Sep 5, 2023OHIII · Driver-only0—MTS ENTERPRISE OF SMITHFIELD PA INC 2369971CD4149/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NYDEN TRUCKING LLC3188755Mar 11, 2025Mar 11, 20251OH
MTS ENTERPRISE OF SMITHFIELD PA INC2369971Sep 5, 2023Sep 5, 20231PA
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.
CD4149OK—NYDEN TRUCKING LLCMar 11, 2025 → Mar 11, 20251
CD4149OK—MTS ENTERPRISE OF SMITHFIELD PA INCSep 5, 2023 → Sep 5, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 25, 2026