Equipment unit · VIN-decoded · NHTSA vPIC

1M91H4321JA211895

Not yet decoded
Carriers run under2
3 mo
Inspections2
all-time
OOS inspections1
of 2
First seenNov 3, 2024
TX
Last seenFeb 20, 2025
TX
Inspected under 2 different carriers in 3 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
1 · valid

Deterministic · position 9; calculated value 1.

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
211895

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 · Nov 3, 2024 – Feb 20, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 20, 2025TXII · Walk-around5OOSTEXAS CHROME TRANSPORT INC 2203204AJ9405/OK
Nov 3, 2024TXII · Walk-around7AOR TRANSPORTATION LLC 3264315AJ9405/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TEXAS CHROME TRANSPORT INC2203204Feb 20, 2025Feb 20, 20251TX
AOR TRANSPORTATION LLC3264315Nov 3, 2024Nov 3, 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.
AJ9405OKTEXAS CHROME TRANSPORT INCFeb 20, 2025Feb 20, 20251
AJ9405OKAOR TRANSPORTATION LLCNov 3, 2024Nov 3, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC