Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X0ND788765 · Truck-Tractor · TRUCK
Carriers run under3
7 mo
Inspections7
all-time
OOS inspections2
of 7
First seenDec 29, 2025
PA
Last seenJul 8, 2026
AZ
Inspected under 3 different carriers in 7 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
1XPBD49X0ND788765
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
Jun 24, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
788765

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
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 · Dec 29, 2025 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026AZII · Walk-around8OOSX GUO TRUCKING INC 4405407ZP90424/CA
Jun 9, 2026AZII · Walk-around7X GUO TRUCKING INC 4405407ZP90424/CA
May 18, 2026NMIII · Driver-only1X GUO TRUCKING INC 4405407ZP90424/CA
Mar 8, 2026MOII · Walk-around5OOSJ & Z TRANSPORT INC 2354575ZP90424/CA
Feb 9, 2026NMII · Walk-around0MZSE TRUCKING INC 4284050ZP16489/CA
Jan 2, 2026NMII · Walk-around0MZSE TRUCKING INC 4284050ZP16489/CA
Dec 29, 2025PAII · Walk-around8MZSE TRUCKING INC 4284050ZP16489/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
X GUO TRUCKING INC4405407May 18, 2026Jul 8, 20263CA
J & Z TRANSPORT INC2354575Mar 8, 2026Mar 8, 20261CA
MZSE TRUCKING INC4284050Dec 29, 2025Feb 9, 20263CA
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.
ZP90424CA1X GUO TRUCKING INCMay 18, 2026Jul 8, 20263
ZP90424CAJ & Z TRANSPORT INCMar 8, 2026Mar 8, 20261
ZP16489CAMZSE TRUCKING INCDec 29, 2025Feb 9, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026