Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBP49X8ND766438 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 17, 2023
CA
Last seenNov 11, 2025
WA
Inspected under 3 different carriers in 28 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
1XPBP49X8ND766438
Make
Peterbilt
Model
579
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
BP49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1992 or 2022

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

North American serial sequence
766438

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 · 172 decoded VINs at 91.3% prefix purity.

Model
579

Prefix basis · 172 decoded VINs at 91.3% 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
2022

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 · Jul 17, 2023 – Nov 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 11, 2025WAIII · Driver-only2GEORGE MONTGOMERY TRUCKING LLC 4435829YAKP307/OR
May 9, 2025WAIII · Driver-only1JUNIOR ALVARADO TRUCKING INC 1011527YAJQ520/OR
Apr 20, 2024ORV · Vehicle-only0JUNIOR ALVARADO TRUCKING INC 1011527YAJQ520/OR
Jul 17, 2023CAI · Full0MAY TRUCKING COMPANY 94081YAJQ520/OR
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GEORGE MONTGOMERY TRUCKING LLC4435829Nov 11, 2025Nov 11, 20251OR
JUNIOR ALVARADO TRUCKING INC1011527Apr 20, 2024May 9, 20252OR
MAY TRUCKING COMPANY94081Jul 17, 2023Jul 17, 20231OR
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.
YAKP307ORGEORGE MONTGOMERY TRUCKING LLCNov 11, 2025Nov 11, 20251
YAJQ520ORJUNIOR ALVARADO TRUCKING INCApr 20, 2024May 9, 20252
YAJQ520ORMAY TRUCKING COMPANYJul 17, 2023Jul 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026