Equipment unit · VIN-decoded · NHTSA vPIC

2020 Brazos

4B9BKDG27LH054070 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections9
all-time
OOS inspections3
of 9
First seenSep 13, 2023
TX
Last seenJul 20, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
4B9BKDG27LH054070
Make
Brazos
Model
Brazos
Model year
2020
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1990 or 2020

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

North American serial sequence
054070

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
2020

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 · Sep 13, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026TXI · Full12OOSFOUR ALCAN LLC 1984935AK6135/OK
May 29, 2026TXII · Walk-around2FOUR ALCAN LLC 1984935AK6135/OK
Mar 18, 2026TXI · Full8FOUR ALCAN LLC 1984935AK6135/OK
Apr 4, 2025TXI · Full2FOUR ALCAN LLC 1984935AK6135/OK
Aug 22, 2024TXI · Full14OOSFOUR ALCAN LLC 1984935AK6135/OK
Jan 25, 2024TXII · Walk-around8FOUR ALCAN LLC 1984935AK6135/OK
Oct 2, 2023TXI · Full3FOUR ALCAN LLC 1984935AK6135/OK
Sep 19, 2023TXI · Full13OOSFOUR ALCAN LLC 1984935AK6135/OK
Sep 13, 2023TXI · Full6FOUR ALCAN LLC 1984935AK6135/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FOUR ALCAN LLC1984935Sep 13, 2023Jul 20, 20269TX
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.
AK6135OK2FOUR ALCAN LLCSep 13, 2023Jul 20, 20269
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026