Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X9ND788764 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections11
all-time
OOS inspections2
of 11
First seenJun 28, 2023
AR
Last seenJan 28, 2026
MO
Inspected under 2 different carriers in 31 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
1XPBD49X9ND788764
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 18, 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
788764

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 · Jun 28, 2023 – Jan 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 28, 2026MOII · Walk-around9MZSE TRUCKING INC 4284050ZP16675/CA
Jan 23, 2026INIII · Driver-only2MZSE TRUCKING INC 4284050ZP16675/CA
Dec 10, 2025ARIII · Driver-only3OOSMZSE TRUCKING INC 4284050ZP16675/CA
Sep 6, 2024OKI · Full2J & Z TRANSPORT INC 2354575ZP16675/CA
Apr 27, 2024ARIII · Driver-only0J & Z TRANSPORT INC 2354575ZP16675/CA
Apr 3, 2024NMI · Full3OOSJ & Z TRANSPORT INC 2354575YP82513/CA
Sep 23, 2023ARII · Walk-around0J & Z TRANSPORT INC 2354575YP82513/CA
Aug 2, 2023ARIII · Driver-only0J & Z TRANSPORT INC 2354575YP82513/CA
Jul 18, 2023NMII · Walk-around0J & Z TRANSPORT INC 2354575YP82513/CA
Jul 18, 2023NMII · Walk-around0J & Z TRANSPORT INC 2354575YP82513/CA
Jun 28, 2023ARIII · Driver-only0J & Z TRANSPORT INC 2354575YP82513/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MZSE TRUCKING INC4284050Dec 10, 2025Jan 28, 20263CA
J & Z TRANSPORT INC2354575Jun 28, 2023Sep 6, 20248CA
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.
ZP16675CAMZSE TRUCKING INCDec 10, 2025Jan 28, 20263
ZP16675CAJ & Z TRANSPORT INCApr 27, 2024Sep 6, 20242
YP82513CA1J & Z TRANSPORT INCJun 28, 2023Apr 3, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026