Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X9ND804087 · Truck-Tractor · TRUCK
Carriers run under3
26 mo
Inspections13
all-time
OOS inspections4
of 13
First seenDec 19, 2023
AR
Last seenFeb 12, 2026
OH
Inspected under 3 different carriers in 26 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
1XPBD49X9ND804087
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 16, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
804087

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 19, 2023 – Feb 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2026OHII · Walk-around1X GUO TRUCKING INC 4405407ZP16674/CA
Feb 2, 2026OHII · Walk-around2MZSE TRUCKING INC 4284050ZP16674/CA
Jan 14, 2026NMIII · Driver-only0MZSE TRUCKING INC 4284050ZP16674/CA
Jan 5, 2026CAI · Full14OOSMZSE TRUCKING INC 4284050ZP16674/CA
Dec 29, 2025OHII · Walk-around5MZSE TRUCKING INC 4284050ZP16674/CA
Dec 16, 2025ARIII · Driver-only0MZSE TRUCKING INC 4284050ZP16674/CA
Nov 29, 2025ARIII · Driver-only9OOSMZSE TRUCKING INC 4284050ZP16674/CA
Nov 27, 2025ARII · Walk-around2MZSE TRUCKING INC 4284050ZP16674/CA
Nov 19, 2025ARIII · Driver-only6OOSMZSE TRUCKING INC 4284050ZP16674/CA
Aug 13, 2024OKI · Full6OOSJ & Z TRANSPORT INC 2354575ZP16674/CA
Jul 18, 2024AZIII · Driver-only1J & Z TRANSPORT INC 2354575ZP16674/CA
Feb 3, 2024ARIII · Driver-only2J & Z TRANSPORT INC 2354575YP82512/CA
Dec 19, 2023ARIII · Driver-only0J & Z TRANSPORT INC 2354575YP44177/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
X GUO TRUCKING INC4405407Feb 12, 2026Feb 12, 20261CA
MZSE TRUCKING INC4284050Nov 19, 2025Feb 2, 20268CA
J & Z TRANSPORT INC2354575Dec 19, 2023Aug 13, 20244CA
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.
ZP16674CAX GUO TRUCKING INCFeb 12, 2026Feb 12, 20261
ZP16674CAMZSE TRUCKING INCNov 19, 2025Feb 2, 20268
ZP16674CAJ & Z TRANSPORT INCJul 18, 2024Aug 13, 20242
YP82512CAJ & Z TRANSPORT INCFeb 3, 2024Feb 3, 20241
YP44177CAJ & Z TRANSPORT INCDec 19, 2023Dec 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026