Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBD49X8GD356329 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections6
all-time
OOS inspections3
of 6
First seenNov 11, 2024
TX
Last seenApr 11, 2026
US
Inspected under 2 different carriers in 17 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
1XPBD49X8GD356329
Make
Peterbilt
Model
579
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
356329

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
PETERBILT

Prefix basis · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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 11, 2024 – Apr 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 11, 2026USI · Full2—JORGE ALBERTO BARRERA SALAS 2422711R727544/TX
Sep 1, 2025TXII · Walk-around2OOSAUTO EXPRESS BARRERA LLC 3354752R727544/TX
Jun 13, 2025USI · Full7OOSJORGE ALBERTO BARRERA SALAS 2422711R727544/TX
Mar 12, 2025TXII · Walk-around2—JORGE ALBERTO BARRERA SALAS 2422711R727544/TX
Mar 9, 2025TXII · Walk-around5OOSJORGE ALBERTO BARRERA SALAS 2422711R727544/TX
Nov 11, 2024TXII · Walk-around2—JORGE ALBERTO BARRERA SALAS 2422711R727544/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JORGE ALBERTO BARRERA SALAS2422711Nov 11, 2024Apr 11, 20265CH
AUTO EXPRESS BARRERA LLC3354752Sep 1, 2025Sep 1, 20251TX
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.
R727544TX—JORGE ALBERTO BARRERA SALASNov 11, 2024 → Apr 11, 20265
R727544TX—AUTO EXPRESS BARRERA LLCSep 1, 2025 → Sep 1, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026