Equipment unit · VIN-decoded · NHTSA vPIC

2025 Brazos

4B9BKDL25SH054380 · Trailer · TRAILER
Carriers run under2
24 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJul 3, 2024
TX
Last seenJul 31, 2026
TX
Inspected under 2 different carriers in 24 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
4B9BKDL25SH054380
Make
Brazos
Model
Brazos
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 24, 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
5 · valid

Deterministic · position 9; calculated value 5.

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
054380

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 · Jul 3, 2024 – Jul 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 31, 2026TXII · Walk-around2C&M MATERIALS LLC 4181795235C733/TX
Sep 22, 2025TXII · Walk-around4UNDERDOG TRUCKERS LLC 3850844235C733/TX
Jun 19, 2025TXII · Walk-around4OOSUNDERDOG TRUCKERS LLC 3850844235C733/TX
Apr 7, 2025TXII · Walk-around3UNDERDOG TRUCKERS LLC 3850844235C733/TX
Feb 27, 2025TXII · Walk-around4UNDERDOG TRUCKERS LLC 3850844235C733/TX
Nov 5, 2024TXII · Walk-around3OOSUNDERDOG TRUCKERS LLC 3850844235C733/TX
Jul 3, 2024TXI · Full3OOSUNDERDOG TRUCKERS LLC 3850844235C733/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C&M MATERIALS LLC4181795Jul 31, 2026Jul 31, 20261TX
UNDERDOG TRUCKERS LLC3850844Jul 3, 2024Sep 22, 20256TX
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.
235C733TX2C&M MATERIALS LLCJul 31, 2026Jul 31, 20261
235C733TXUNDERDOG TRUCKERS LLCJul 3, 2024Sep 22, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026