Equipment unit · VIN-decoded · NHTSA vPIC

4B9BKDL25RH054258

Not yet decoded
Carriers run under1
8 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJun 19, 2025
AZ
Last seenFeb 4, 2026
AZ
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
4B9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BKDL2

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1994 or 2024

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

North American serial sequence
054258

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.

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 · Jun 19, 2025 – Feb 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 4, 2026AZI · Full5OOSCHACON TRANSPORTATION LLC 3828848GHA37V/AZ
Aug 4, 2025AZI · Full3CHACON TRANSPORTATION LLC 3828848GHA37V/AZ
Jun 19, 2025AZI · Full7OOSCHACON TRANSPORTATION LLC 3828848GHA37V/AZ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHACON TRANSPORTATION LLC3828848Jun 19, 2025Feb 4, 20263AZ
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.
GHA37VAZCHACON TRANSPORTATION LLCJun 19, 2025Feb 4, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC