Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X3ND774231 · Truck-Tractor · TRUCK
Carriers run under1
30 mo
Inspections10
all-time
OOS inspections0
of 10
First seenJul 25, 2023
CA
Last seenJan 21, 2026
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X3ND774231
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 19, 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
3 · valid

Deterministic · position 9; calculated value 3.

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
774231

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 · Jul 25, 2023 – Jan 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 21, 2026WAIII · Driver-only0Z&R EXPRESS LLC 113837490429RP/WA
May 28, 2025WAIII · Driver-only0Z&R EXPRESS LLC 113837490429RP/WA
Jan 11, 2025WAIII · Driver-only1Z&R EXPRESS LLC 113837490429RP/WA
Nov 10, 2024CAI · Full0Z&R EXPRESS LLC 113837490429RP/WA
Oct 31, 2024WAIII · Driver-only1Z&R EXPRESS LLC 113837490429RP/WA
May 21, 2024CAI · Full1Z&R EXPRESS LLC 113837490429RP/WA
Feb 17, 2024CAII · Walk-around0Z&R EXPRESS LLC 113837490429RP/WA
Oct 3, 2023ORIII · Driver-only0Z&R EXPRESS LLC 113837490429RP/WA
Aug 29, 2023CAI · Full0Z&R EXPRESS LLC 113837490429RP/WA
Jul 25, 2023CAIII · Driver-only0Z&R EXPRESS LLC 113837490429RP/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
Z&R EXPRESS LLC1138374Jul 25, 2023Jan 21, 202610WA
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.
90429RPWAZ&R EXPRESS LLCJul 25, 2023Jan 21, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026