Equipment unit · VIN-decoded · NHTSA vPIC

2019 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H4327KA211241 · Trailer · TRAILER
Carriers run under3
20 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 16, 2023
TX
Last seenJul 6, 2025
TX
Inspected under 3 different carriers in 20 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
1M91H4327KA211241
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 6, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
211241

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 · Nov 16, 2023 – Jul 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 6, 2025TXII · Walk-around2LIAV TRUCKING LLC 4387149AJ9818/OK
Jun 28, 2025TXII · Walk-around4LIAV TRUCKING LLC 4387149AJ9818/OK
Mar 19, 2024TXII · Walk-around4OOSTWIFT CONSULTING LLC 4098672AJ9818/OK
Nov 16, 2023TXII · Walk-around5US FREIGHT XPRESS LLC 3997282AJ9818/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LIAV TRUCKING LLC4387149Jun 28, 2025Jul 6, 20252TX
TWIFT CONSULTING LLC4098672Mar 19, 2024Mar 19, 20241TX
US FREIGHT XPRESS LLC3997282Nov 16, 2023Nov 16, 20231TX
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.
AJ9818OKLIAV TRUCKING LLCJun 28, 2025Jul 6, 20252
AJ9818OKTWIFT CONSULTING LLCMar 19, 2024Mar 19, 20241
AJ9818OKUS FREIGHT XPRESS LLCNov 16, 2023Nov 16, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026