Equipment unit · VIN-decoded · NHTSA vPIC

1M91H4321JA211640

Not yet decoded
Carriers run under2
8 mo
Inspections2
all-time
OOS inspections2
of 2
First seenMar 29, 2024
TX
Last seenNov 15, 2024
TX
Inspected under 2 different carriers in 8 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
211640

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 · Mar 29, 2024 – Nov 15, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 15, 2024TXII · Walk-around7OOSPRIME STAR TRANSPORT LLC 3755661CE5023/OK
Mar 29, 2024TXI · Full7OOSA & AC TRUCKING LLC 3549957CE5023/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PRIME STAR TRANSPORT LLC3755661Nov 15, 2024Nov 15, 20241TX
A & AC TRUCKING LLC3549957Mar 29, 2024Mar 29, 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.
CE5023OKPRIME STAR TRANSPORT LLCNov 15, 2024Nov 15, 20241
CE5023OKA & AC TRUCKING LLCMar 29, 2024Mar 29, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC