Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X2PD858075 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections10
all-time
OOS inspections3
of 10
First seenOct 19, 2023
WA
Last seenApr 22, 2026
OH
Inspected under 2 different carriers in 30 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
1XPBDP9X2PD858075
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 18, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
858075

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Oct 19, 2023 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026OHII · Walk-around2OOSSARAY EXPRESS INC 3596386P1169811/IL
Mar 4, 2026SCII · Walk-around1OOSDYNO NOBEL TRANSPORTATION INC 211986P1168911/IL
Sep 18, 2025MEIII · Driver-only1OOSSARAY EXPRESS INC 3596386P1169811/IL
Jul 31, 2025VAIII · Driver-only0SARAY EXPRESS INC 3596386P1169811/IL
Jul 22, 2025MOII · Walk-around3SARAY EXPRESS INC 3596386P1168911/IL
Aug 16, 2024VAII · Walk-around1SARAY EXPRESS INC 3596386P1169811/IL
Jul 8, 2024ILIII · Driver-only0SARAY EXPRESS INC 3596386P1169811/IL
Mar 26, 2024NYII · Walk-around3SARAY EXPRESS INC 3596386P 1169811/IL
Jan 3, 2024IDIII · Driver-only1SARAY EXPRESS INC 3596386P1169811/IL
Oct 19, 2023WAIII · Driver-only0SARAY EXPRESS INC 3596386P1169811/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SARAY EXPRESS INC3596386Oct 19, 2023Apr 22, 20269IL
DYNO NOBEL TRANSPORTATION INC211986Mar 4, 2026Mar 4, 20261UT
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.
P1169811ILSARAY EXPRESS INCOct 19, 2023Apr 22, 20267
P1168911ILDYNO NOBEL TRANSPORTATION INCMar 4, 2026Mar 4, 20261
P1168911ILSARAY EXPRESS INCJul 22, 2025Jul 22, 20251
P 1169811ILSARAY EXPRESS INCMar 26, 2024Mar 26, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026