Equipment unit · VIN-decoded · NHTSA vPIC

2017 Brazos

4B9BKDG22HH054100 · Trailer · TRAILER
Carriers run under1
22 mo
Inspections4
all-time
OOS inspections1
of 4
First seenFeb 27, 2024
TX
Last seenDec 18, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4B9BKDG22HH054100
Make
Brazos
Model
Brazos
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
054100

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 · Feb 27, 2024 – Dec 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2025TXII · Walk-around14OOSBIG TEXAS TRUCKING LLC 2831078027C688/TX
Apr 10, 2025TXII · Walk-around0BIG TEXAS TRUCKING LLC 2831078027C688/TX
Feb 28, 2024TXIII · Driver-only3BIG TEXAS TRUCKING LLC 2831078027C685/TX
Feb 27, 2024TXII · Walk-around4BIG TEXAS TRUCKING LLC 2831078027C688/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG TEXAS TRUCKING LLC2831078Feb 27, 2024Dec 18, 20254TX
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.
027C688TXBIG TEXAS TRUCKING LLCFeb 27, 2024Dec 18, 20253
027C685TXBIG TEXAS TRUCKING LLCFeb 28, 2024Feb 28, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026