Equipment unit · VIN-decoded · NHTSA vPIC

7KF1H4321NA000626

Not yet decoded
Carriers run under3
16 mo
Inspections3
all-time
OOS inspections2
of 3
First seenAug 15, 2024
TX
Last seenDec 23, 2025
TX
Inspected under 3 different carriers in 16 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
7KF

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
1992 or 2022

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

North American serial sequence
Not established

Not asserted outside North American WMIs; positions 12–17 may follow another regional convention.

No source established for this field.

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 · 20 decoded VINs at 100.0% prefix purity.

Model
Mertz Manufacturing, LLC

Prefix basis · 20 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

  • serial sequence (positions 12–17 are only asserted for North American VINs)
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 15, 2024 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025TXII · Walk-around3OOSROCKIN 4H EQUIPMENT & SERVICES LLC 3831483CC7932/OK
Jun 23, 2025NMIII · Driver-only1GUEORQUI TRANSPORT LLC 4067949CC7932/OK
Aug 15, 2024TXII · Walk-around12OOSJ C LOGISTIC LLC 3271200CC7932/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROCKIN 4H EQUIPMENT & SERVICES LLC3831483Dec 23, 2025Dec 23, 20251TX
GUEORQUI TRANSPORT LLC4067949Jun 23, 2025Jun 23, 20251TX
J C LOGISTIC LLC3271200Aug 15, 2024Aug 15, 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.
CC7932OKROCKIN 4H EQUIPMENT & SERVICES LLCDec 23, 2025Dec 23, 20251
CC7932OKGUEORQUI TRANSPORT LLCJun 23, 2025Jun 23, 20251
CC7932OKJ C LOGISTIC LLCAug 15, 2024Aug 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC