Equipment unit · VIN-decoded · NHTSA vPIC

2025 Brazos

4B9BKDL21SH054523 · Trailer · TRAILER
Carriers run under1
8 mo
Inspections5
all-time
OOS inspections2
of 5
First seenDec 19, 2024
TX
Last seenAug 27, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4B9BKDL21SH054523
Make
Brazos
Model
Brazos
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 30, 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
4B9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BKDL2

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
054523

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
BRAZOS

Prefix basis · 231 decoded VINs at 100.0% prefix purity.

Model
Brazos

Prefix basis · 231 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
BRAZOS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Brazos

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 · Dec 19, 2024 – Aug 27, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 27, 2025TXI · Full2OOSMARCOS ARREDONDO 3168452CZ8691/OK
Aug 26, 2025TXI · Full3OOSMARCOS ARREDONDO 3168452CZ8691/OK
Jul 15, 2025TXII · Walk-around0MARCOS ARREDONDO 3168452CZ8691/OK
Jul 14, 2025TXII · Walk-around0MARCOS ARREDONDO 3168452CZ8691/OK
Dec 19, 2024TXI · Full3MARCOS ARREDONDO 3168452CZ8691/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARCOS ARREDONDO3168452Dec 19, 2024Aug 27, 20255TX
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.
CZ8691OKMARCOS ARREDONDODec 19, 2024Aug 27, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026