Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49X8LD654096 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections6
all-time
OOS inspections4
of 6
First seenMar 7, 2024
KY
Last seenSep 24, 2025
CA
Inspected under 3 different carriers in 18 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.

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
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 · Mar 7, 2024 – Sep 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2025CAIII · Driver-only0YADIRA ISABEL ARAIZA 3295358ZP11443/CA
Aug 29, 2025WAI · Full1YADIRA 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 24, 20252CA
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.
ZP11443CAYADIRA ISABEL ARAIZAAug 29, 2025Sep 24, 20252
0441F7MDAMERICAN RELOCATION LLCJun 17, 2024Jun 17, 20241
0441F7MDR AND M TRUCKING LLCMar 7, 2024May 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026