Equipment unit · VIN-decoded · NHTSA vPIC

2019 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H4329KA211063 · Trailer · TRAILER
Carriers run under3
14 mo
Inspections3
all-time
OOS inspections1
of 3
First seenMay 7, 2024
LA
Last seenJul 2, 2025
LA
Inspected under 3 different carriers in 14 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
1M91H4329KA211063
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2019
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.
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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1989 or 2019

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

North American serial sequence
211063

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
2019

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 · May 7, 2024 – Jul 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2025LAIII · Driver-only3EMPRESS STAR LOGISTICS LLC 4180172AJ9579/OK
Oct 29, 2024LAIII · Driver-only0K BOOM LOGISTICS LLC 3734922AJ9579/OK
May 7, 2024LAI · Full3OOSPABLO ALFONSO JOVER 3346928AJ9579/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EMPRESS STAR LOGISTICS LLC4180172Jul 2, 2025Jul 2, 20251TX
K BOOM LOGISTICS LLC3734922Oct 29, 2024Oct 29, 20241TX
PABLO ALFONSO JOVER3346928May 7, 2024May 7, 20241TX
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.
AJ9579OKEMPRESS STAR LOGISTICS LLCJul 2, 2025Jul 2, 20251
AJ9579OKK BOOM LOGISTICS LLCOct 29, 2024Oct 29, 20241
AJ9579OKPABLO ALFONSO JOVERMay 7, 2024May 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026