Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9XXPD865517 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections8
all-time
OOS inspections0
of 8
First seenAug 31, 2023
NY
Last seenDec 1, 2025
GA
Inspected under 2 different carriers in 28 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
1XPBDP9XXPD865517
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 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
865517

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 · Aug 31, 2023 – Dec 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 1, 2025GAIII · Driver-only0XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Sep 2, 2025NCII · Walk-around0XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Aug 4, 2025CAII · Walk-around1XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Mar 25, 2025MDI · Full2XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Oct 27, 2024SDIII · Driver-only2XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Sep 12, 2024INII · Walk-around1XPEDITED HEAVY HAUL COMPANY 4011249P1161652/IL
Oct 6, 2023CAI · Full0SAN TRANS INC 2285648P1161652/IL
Aug 31, 2023NYII · Walk-around5SAN TRANS INC 2285648P1161652/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
XPEDITED HEAVY HAUL COMPANY4011249Sep 12, 2024Dec 1, 20256IL
SAN TRANS INC2285648Aug 31, 2023Oct 6, 20232IL
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.
P1161652ILXPEDITED HEAVY HAUL COMPANYSep 12, 2024Dec 1, 20256
P1161652ILSAN TRANS INCAug 31, 2023Oct 6, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026