Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49XXPD861272 · Truck-Tractor · TRUCK
Carriers run under3
37 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJun 22, 2023
OK
Last seenJul 20, 2026
NC
Inspected under 3 different carriers in 37 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
1XPBD49XXPD861272
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
BD49X

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
861272

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.

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 · Jun 22, 2023 – Jul 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 20, 2026NCI · Full0—XPEDITED HEAVY HAUL COMPANY 4011249P1268755/IL
Oct 30, 2025GAIII · Driver-only1—XPEDITED HEAVY HAUL COMPANY 4011249P1268755/IL
Mar 10, 2025OHII · Walk-around3OOSROYAL FLUSH LOGISTICS INC 3473104P1268755/IL
Feb 6, 2025NCIII · Driver-only0—ROYAL FLUSH LOGISTICS INC 3473104P1268755/IL
Dec 3, 2024SDIII · Driver-only0—ROYAL FLUSH LOGISTICS INC 3473104P1268755/IL
Jul 9, 2024KYIII · Driver-only2—ROYAL FLUSH LOGISTICS INC 3473104P1184095/IL
Mar 12, 2024MDII · Walk-around1—ROYAL FLUSH LOGISTICS INC 3473104P1184095/IL
Oct 9, 2023CAI · Full0—SAN TRANS INC 2285648P1184095/IL
Jun 22, 2023OKIII · Driver-only2—SAN TRANS INC 2285648P1184095/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
XPEDITED HEAVY HAUL COMPANY4011249Oct 30, 2025Jul 20, 20262IL
ROYAL FLUSH LOGISTICS INC3473104Mar 12, 2024Mar 10, 20255IL
SAN TRANS INC2285648Jun 22, 2023Oct 9, 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.
P1268755IL1XPEDITED HEAVY HAUL COMPANYOct 30, 2025 → Jul 20, 20262
P1268755IL—ROYAL FLUSH LOGISTICS INCDec 3, 2024 → Mar 10, 20253
P1184095IL—ROYAL FLUSH LOGISTICS INCMar 12, 2024 → Jul 9, 20242
P1184095IL—SAN TRANS INCJun 22, 2023 → Oct 9, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026