Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X9PD803640 · Truck-Tractor · TRUCK
Carriers run under1
19 mo
Inspections14
all-time
OOS inspections2
of 14
First seenNov 1, 2023
UT
Last seenJun 1, 2025
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X9PD803640
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 16, 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
1993 or 2023

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

North American serial sequence
803640

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 1, 2023 – Jun 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2025NMI · Full1SKR LOGISTICS INC 3587021ZP53240/CA
Mar 18, 2025NEII · Walk-around1OOSSKR LOGISTICS INC 3587021ZP53240/CA
Mar 15, 2025NMII · Walk-around0SKR LOGISTICS INC 3587021ZP53240/CA
Mar 12, 2025WYIII · Driver-only3SKR LOGISTICS INC 3587021ZP53240/CA
Feb 18, 2025IAIII · Driver-only3SKR LOGISTICS INC 3587021YP61703/CA
Jan 21, 2025CAI · Full2SKR LOGISTICS INC 3587021YP61703/CA
Jan 15, 2025CAII · Walk-around3SKR LOGISTICS INC 3587021YP61703/CA
Jul 15, 2024OHIII · Driver-only0SKR LOGISTICS INC 3587021YP61703/CA
Jul 7, 2024WYII · Walk-around3OOSSKR LOGISTICS INC 3587021YP61702/CA
Jul 2, 2024NEIII · Driver-only1SKR LOGISTICS INC 3587021YP61703/CA
May 9, 2024CAIII · Driver-only1SKR LOGISTICS INC 3587021YP61703/CA
Mar 21, 2024NVII · Walk-around2SKR LOGISTICS INC 3587021YP61703/CA
Dec 16, 2023CAIII · Driver-only0SKR LOGISTICS INC 3587021YP61703/CA
Nov 1, 2023UTIII · Driver-only0SKR LOGISTICS INC 3587021YP61703/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SKR LOGISTICS INC3587021Nov 1, 2023Jun 1, 202514CA
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.
ZP53240CASKR LOGISTICS INCMar 12, 2025Jun 1, 20254
YP61703CASKR LOGISTICS INCNov 1, 2023Feb 18, 20259
YP61702CASKR LOGISTICS INCJul 7, 2024Jul 7, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026