Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBD49X5HD419680 · Truck-Tractor · TRUCK
Carriers run under1
22 mo
Inspections7
all-time
OOS inspections2
of 7
First seenFeb 16, 2024
AZ
Last seenDec 15, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X5HD419680
Make
Peterbilt
Model
579
Model year
2017
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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1987 or 2017

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
419680

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
2017

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 16, 2024 – Dec 15, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 15, 2025AZII · Walk-around3GUILLERMO EDUARDO ZAVALA 2897314UP10286/CA
Jan 13, 2025USI · Full7OOSGUILLERMO EDUARDO ZAVALA 2897314YP10286/CA
Oct 16, 2024TXIII · Driver-only5GUILLERMO EDUARDO ZAVALA 2897314YP10286/CA
Aug 31, 2024NMIII · Driver-only0GUILLERMO EDUARDO ZAVALA 2897314YP10286/CA
Jun 6, 2024TXII · Walk-around3GUILLERMO EDUARDO ZAVALA 289731478EM2K/MX
Apr 21, 2024AZII · Walk-around5OOSGUILLERMO EDUARDO ZAVALA 2897314YP10286/CA
Feb 16, 2024AZIII · Driver-only0GUILLERMO EDUARDO ZAVALA 2897314YP10286/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GUILLERMO EDUARDO ZAVALA2897314Feb 16, 2024Dec 15, 20257CA
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.
UP10286CAGUILLERMO EDUARDO ZAVALADec 15, 2025Dec 15, 20251
YP10286CAGUILLERMO EDUARDO ZAVALAFeb 16, 2024Jan 13, 20255
78EM2KMXGUILLERMO EDUARDO ZAVALAJun 6, 2024Jun 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026