Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X0ND774333 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections8
all-time
OOS inspections1
of 8
First seenFeb 10, 2025
CA
Last seenJun 17, 2026
CA
Inspected under 2 different carriers in 16 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
1XPBD49X0ND774333
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 21, 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
774333

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 · Feb 10, 2025 – Jun 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 17, 2026CAIII · Driver-only2NARWAL EXPRESS INC 3675238ZP75874/CA
Apr 16, 2026CAIII · Driver-only1NARWAL EXPRESS INC 3675238ZP75874/CA
Aug 28, 2025CAI · Full1NARWAL EXPRESS INC 3675238ZP51901/CA
Aug 21, 2025ORIII · Driver-only2NARWAL EXPRESS INC 3675238ZP51901/CA
Jun 23, 2025CAIII · Driver-only3TH TRANS INC 3833798ZP51901/CA
May 29, 2025ORIII · Driver-only1NARWAL EXPRESS INC 3675238ZP51901/CA
Feb 10, 2025CAI · Full1OOSTH TRANS INC 3833798ZP51901/CA
Feb 10, 2025CAI · Full0TH TRANS INC 3833798ZP51901/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NARWAL EXPRESS INC3675238May 29, 2025Jun 17, 20265CA
TH TRANS INC3833798Feb 10, 2025Jun 23, 20253CA
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.
ZP75874CA1NARWAL EXPRESS INCApr 16, 2026Jun 17, 20262
ZP51901CANARWAL EXPRESS INCMay 29, 2025Aug 28, 20253
ZP51901CATH TRANS INCFeb 10, 2025Jun 23, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026