Equipment unit · VIN-decoded · NHTSA vPIC

4B9B4DM2XGG054221

Not yet decoded
Carriers run under2
8 mo
Inspections3
all-time
OOS inspections2
of 3
First seenNov 7, 2023
TX
Last seenJul 3, 2024
TX
Inspected under 2 different carriers in 8 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
4B9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
B4DM2

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1986 or 2016

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

North American serial sequence
054221

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 · 39 decoded VINs at 100.0% prefix purity.

Model
Brazos

Prefix basis · 39 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 · Nov 7, 2023 – Jul 3, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 3, 2024TXII · Walk-around8OOSSANTIAGO DIAZ BELTRAN 28668492129L/OK
May 7, 2024TXI · Full15SANTIAGO DIAZ BELTRAN 286684975V411V/TX
Nov 7, 2023TXII · Walk-around28OOSUNCHARTED TRUCKING LLC 368244089N327M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANTIAGO DIAZ BELTRAN2866849May 7, 2024Jul 3, 20242TX
UNCHARTED TRUCKING LLC3682440Nov 7, 2023Nov 7, 20231TX
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.
2129LOKSANTIAGO DIAZ BELTRANJul 3, 2024Jul 3, 20241
75V411VTXSANTIAGO DIAZ BELTRANMay 7, 2024May 7, 20241
89N327MTXUNCHARTED TRUCKING LLCNov 7, 2023Nov 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC