Equipment unit · VIN-decoded · NHTSA vPIC

2017 Brazos

4B9BKDG24HH054454 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections8
all-time
OOS inspections4
of 8
First seenDec 19, 2023
TX
Last seenJan 5, 2026
TX
Inspected under 2 different carriers in 25 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
4B9BKDG24HH054454
Make
Brazos
Model
Brazos
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
BKDG2

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1987 or 2017

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

North American serial sequence
054454

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 · 281 decoded VINs at 100.0% prefix purity.

Model
Brazos

Prefix basis · 281 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
2017

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, 2023 – Jan 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 5, 2026TXI · Full11OOSB & AA TRANSPORT LLC 4261859168C870/TX
Nov 12, 2025TXII · Walk-around4OOSB & AA TRANSPORT LLC 4261859168C870/TX
Jul 12, 2025TXII · Walk-around7B & AA TRANSPORT LLC 4261859168C870/TX
Apr 9, 2025TXII · Walk-around2B & AA TRANSPORT LLC 4261859168C870/TX
Mar 27, 2025TXI · Full9B & AA TRANSPORT LLC 4261859168C870/TX
Nov 25, 2024TXII · Walk-around5OOSB & AA TRANSPORT LLC 4261859168C870/TX
Feb 20, 2024TXI · Full6OOSMEZCON LLC 3957017126B521/TX
Dec 19, 2023TXII · Walk-around1MEZCON LLC 39570171N30554/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
B & AA TRANSPORT LLC4261859Nov 25, 2024Jan 5, 20266TX
MEZCON LLC3957017Dec 19, 2023Feb 20, 20242TX
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.
168C870TXB & AA TRANSPORT LLCNov 25, 2024Jan 5, 20266
126B521TXMEZCON LLCFeb 20, 2024Feb 20, 20241
1N30554TXMEZCON LLCDec 19, 2023Dec 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026