Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X4JD459741 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections24
all-time
OOS inspections9
of 24
First seenJan 5, 2024
TX
Last seenFeb 12, 2026
TX
Inspected under 2 different carriers in 25 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
1XPBD49X4JD459741
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1988 or 2018

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

North American serial sequence
459741

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.

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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Jan 5, 2024 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026TXI · Full0RODOLFO ARTURO GARZA GARZA 382275184ES4X/TA
Jan 27, 2026TXII · Walk-around3OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Jan 26, 2026TXII · Walk-around1RODOLFO ARTURO GARZA GARZA 382275184ES4X/TA
Jan 24, 2026USI · Full3OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Oct 14, 2025USI · Full2OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Oct 10, 2025TXI · Full1OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Oct 9, 2025TXI · Full0RODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Oct 8, 2025USI · Full2OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/TA
May 28, 2025TXII · Walk-around2OOSRODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Feb 12, 2025TXI · Full0RODOLFO ARTURO GARZA GARZA 382275184ES4X/MX
Nov 27, 2024TXII · Walk-around6OOSSARA GABRIELA ALZAGA PEREZ 287702284ES4X/MX
Sep 9, 2024TXI · Full0SARA GABRIELA ALZAGA PEREZ 287702284ES4X/MX
Jul 30, 2024TXI · Full1SARA GABRIELA ALZAGA PEREZ 287702294ER9P/TA
Jul 29, 2024TXI · Full2SARA GABRIELA ALZAGA PEREZ 287702294ER9P/TA
Jun 25, 2024TXI · Full3SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Jun 10, 2024USI · Full2SARA GABRIELA ALZAGA PEREZ 2877022947R9P/TA
May 28, 2024TXII · Walk-around0SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
May 10, 2024TXI · Full1SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Apr 22, 2024USII · Walk-around2SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Apr 9, 2024TXII · Walk-around1SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Feb 15, 2024TXI · Full1OOSSARA GABRIELA ALZAGA PEREZ 287702294ER9P/DF
Jan 31, 2024TXI · Full3SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Jan 15, 2024TXI · Full1OOSSARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
Jan 5, 2024TXII · Walk-around0SARA GABRIELA ALZAGA PEREZ 287702294ER9P/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RODOLFO ARTURO GARZA GARZA3822751Feb 12, 2025Feb 12, 202610TA
SARA GABRIELA ALZAGA PEREZ2877022Jan 5, 2024Nov 27, 202414TA
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.
84ES4XTARODOLFO ARTURO GARZA GARZAOct 8, 2025Feb 12, 20263
84ES4XMXRODOLFO ARTURO GARZA GARZAFeb 12, 2025Jan 27, 20267
84ES4XMXSARA GABRIELA ALZAGA PEREZSep 9, 2024Nov 27, 20242
94ER9PTASARA GABRIELA ALZAGA PEREZJul 29, 2024Jul 30, 20242
94ER9PMXSARA GABRIELA ALZAGA PEREZJan 5, 2024Jun 25, 20248
947R9PTASARA GABRIELA ALZAGA PEREZJun 10, 2024Jun 10, 20241
94ER9PDFSARA GABRIELA ALZAGA PEREZFeb 15, 2024Feb 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026