Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H4328JA211280 · Trailer · TRAILER
Carriers run under4
36 mo
Inspections4
all-time
OOS inspections0
of 4
First seenOct 1, 2023
TX
Last seenOct 27, 2026
TX
Inspected under 4 different carriers in 36 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
1M91H4328JA211280
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
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
8 · valid

Deterministic · position 9; calculated value 8.

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
211280

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 · Oct 1, 2023 – Oct 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 27, 2026TXII · Walk-around1—RIG TRANSPORTATION GROUP LLC 4019934CF6432/OK
Jun 30, 2025TXII · Walk-around2—SV5 LOGISTICS LLC 4191218CF6432/OK
Mar 3, 2025TXII · Walk-around1—G BYRD TRUCKING LLC 3427949CF6432/OK
Oct 1, 2023TXII · Walk-around2—JAVIN EXPRESS LLC 3070181CF6432/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RIG TRANSPORTATION GROUP LLC4019934Oct 27, 2026Oct 27, 20261TX
SV5 LOGISTICS LLC4191218Jun 30, 2025Jun 30, 20251TX
G BYRD TRUCKING LLC3427949Mar 3, 2025Mar 3, 20251TX
JAVIN EXPRESS LLC3070181Oct 1, 2023Oct 1, 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.
CF6432OK2RIG TRANSPORTATION GROUP LLCOct 27, 2026 → Oct 27, 20261
CF6432OK—SV5 LOGISTICS LLCJun 30, 2025 → Jun 30, 20251
CF6432OK—G BYRD TRUCKING LLCMar 3, 2025 → Mar 3, 20251
CF6432OK—JAVIN EXPRESS LLCOct 1, 2023 → Oct 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 25, 2026