Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49X8LD654096 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections7
all-time
OOS inspections4
of 7
First seenMar 7, 2024
KY
Last seenSep 21, 2026
CA
Inspected under 3 different carriers in 30 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
1XPBD49X8LD654096
Make
Peterbilt
Model
579
Model year
2020
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
1990 or 2020

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

North American serial sequence
654096

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 · Mar 7, 2024 – Sep 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 21, 2026CAII · Walk-around2—YADIRA ISABEL ARAIZA 3295358ZP11443/CA
Sep 24, 2025CAIII · Driver-only0—YADIRA ISABEL ARAIZA 3295358ZP11443/CA
Aug 29, 2025WAI · Full1—YADIRA ISABEL ARAIZA 3295358ZP11443/CA
Jun 17, 2024OHII · Walk-around4OOSAMERICAN RELOCATION LLC 23565550441F7/MD
May 17, 2024MDIII · Driver-only2OOSR AND M TRUCKING LLC 37149570441F7/MD
May 1, 2024PAII · Walk-around4OOSR AND M TRUCKING LLC 37149570441F7/MD
Mar 7, 2024KYI · Full7OOSR AND M TRUCKING LLC 37149570441F7/MD
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
YADIRA ISABEL ARAIZA3295358Aug 29, 2025Sep 21, 20263CA
AMERICAN RELOCATION LLC2356555Jun 17, 2024Jun 17, 20241MD
R AND M TRUCKING LLC3714957Mar 7, 2024May 17, 20243MD
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.
ZP11443CA1YADIRA ISABEL ARAIZAAug 29, 2025 → Sep 21, 20263
0441F7MD—AMERICAN RELOCATION LLCJun 17, 2024 → Jun 17, 20241
0441F7MD—R AND M TRUCKING LLCMar 7, 2024 → May 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026