Equipment unit · VIN-decoded · NHTSA vPIC

2018 Mertz Manufacturing Mertz Manufacturing, LLC

1M91H4327JA211920 · Trailer · TRAILER
Carriers run under4
22 mo
Inspections4
all-time
OOS inspections1
of 4
First seenSep 3, 2023
TX
Last seenJul 17, 2025
TX
Inspected under 4 different carriers in 22 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
1M91H4327JA211920
Make
Mertz Manufacturing
Model
Mertz Manufacturing, LLC
Model year
2018
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
1988 or 2018

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

North American serial sequence
211920

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
2018

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 · Sep 3, 2023 – Jul 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 17, 2025TXII · Walk-around7OOSGP&S TRUCKING LLC 3637826AJ9419/OK
Jan 21, 2025TXII · Walk-around4HAPPY TRANSPORTATION LLC 3535807AJ9419/OK
Feb 22, 2024TXII · Walk-around4FAVOURANDMERCYOFGOD 3932475AJ9419/OK
Sep 3, 2023TXII · Walk-around3BELCON LOGISTICS LLC 3054957AJ9419/OK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GP&S TRUCKING LLC3637826Jul 17, 2025Jul 17, 20251NM
HAPPY TRANSPORTATION LLC3535807Jan 21, 2025Jan 21, 20251TX
FAVOURANDMERCYOFGOD3932475Feb 22, 2024Feb 22, 20241TX
BELCON LOGISTICS LLC3054957Sep 3, 2023Sep 3, 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.
AJ9419OKGP&S TRUCKING LLCJul 17, 2025Jul 17, 20251
AJ9419OKHAPPY TRANSPORTATION LLCJan 21, 2025Jan 21, 20251
AJ9419OKFAVOURANDMERCYOFGODFeb 22, 2024Feb 22, 20241
AJ9419OKBELCON LOGISTICS LLCSep 3, 2023Sep 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026