Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X8PD830120 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections20
all-time
OOS inspections5
of 20
First seenNov 21, 2023
CA
Last seenAug 30, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X8PD830120
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1993 or 2023

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

North American serial sequence
830120

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
2023

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 · Nov 21, 2023 – Aug 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 30, 2026CAI · Full4OOSHR SERVICES LLC 2439172ZP01793/CA
Jun 9, 2026NVII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Apr 3, 2026CAI · Full0HR SERVICES LLC 2439172ZP01793/CA
Jan 24, 2026CAI · Full13OOSHR SERVICES LLC 2439172ZP01793/CA
Jan 10, 2026CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Oct 28, 2025CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Sep 17, 2025CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Sep 13, 2025CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Jul 20, 2025CAI · Full0HR SERVICES LLC 2439172ZP01793/CA
Jul 9, 2025CAII · Walk-around1HR SERVICES LLC 2439172ZP01793/CA
Jan 14, 2025NVII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Oct 8, 2024CAI · Full1OOSHR SERVICES LLC 2439172ZP01793/CA
Jun 10, 2024NVII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Mar 17, 2024CAI · Full1OOSHR SERVICES LLC 2439172ZP01793/CA
Mar 4, 2024NVII · Walk-around0HR SERVICES LLC 2439172ZP01793/UT
Jan 28, 2024CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Dec 31, 2023NVI · Full4OOSHR SERVICES LLC 2439172ZP01793/CA
Dec 5, 2023CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
Nov 28, 2023NVII · Walk-around3HR SERVICES LLC 2439172ZP01793/CA
Nov 21, 2023CAII · Walk-around0HR SERVICES LLC 2439172ZP01793/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HR SERVICES LLC2439172Nov 21, 2023Aug 30, 202620NV
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.
ZP01793CA1HR SERVICES LLCNov 21, 2023Aug 30, 202619
ZP01793UTHR SERVICES LLCMar 4, 2024Mar 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026