Equipment unit · VIN-decoded · NHTSA vPIC

7KYFB4821SED42804

Not yet decoded
Carriers run under2
4 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 21, 2024
CA
Last seenApr 4, 2025
CA
Inspected under 2 different carriers in 4 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
7KY

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FB482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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
DORSEY

Prefix basis · 62 decoded VINs at 100.0% prefix purity.

Model
Dorsey

Prefix basis · 62 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 · Dec 21, 2024 – Apr 4, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 4, 2025CAI · Full1CMC STEEL FABRICATORS INC 341253MRA6XV/AZ
Mar 31, 2025AZI · Full1CMC STEEL FABRICATORS INC 341253MRA6XV/AZ
Dec 21, 2024CAII · Walk-around0MARTIN A FIERRO 1050473MRA6XV/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CMC STEEL FABRICATORS INC341253Mar 31, 2025Apr 4, 20252TX
MARTIN A FIERRO1050473Dec 21, 2024Dec 21, 20241CA
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.
MRA6XVAZCMC STEEL FABRICATORS INCMar 31, 2025Apr 4, 20252
MRA6XVAZMARTIN A FIERRODec 21, 2024Dec 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC