Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X1PD884635 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections8
all-time
OOS inspections0
of 8
First seenJan 6, 2024
MT
Last seenOct 18, 2026
NE
Inspected under 2 different carriers in 33 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
1XPBDP9X1PD884635
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 25, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
884635

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.

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 · Jan 6, 2024 – Oct 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 18, 2026NEIII · Driver-only0—SEMA LOGISTICS INC 3245513AN1530/ID
Sep 7, 2026KYI · Full0—SEMA LOGISTICS INC 3245513AN1530/ID
May 28, 2026UTIII · Driver-only0—USKO EXPRESS INC 1499885AN1530/ID
Apr 25, 2026GAIII · Driver-only1—USKO EXPRESS INC 1499885AN1530/ID
Aug 30, 2025MTII · Walk-around0—USKO EXPRESS INC 1499885AN1530/ID
Apr 29, 2025GAIII · Driver-only3—USKO EXPRESS INC 1499885AN1530/ID
Apr 3, 2024NEIII · Driver-only1—USKO EXPRESS INC 1499885AN1530/ID
Jan 6, 2024MTI · Full0—USKO EXPRESS INC 1499885AN1530/ID
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SEMA LOGISTICS INC3245513Sep 7, 2026Oct 18, 20262NV
USKO EXPRESS INC1499885Jan 6, 2024May 28, 20266MO
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.
AN1530ID1SEMA LOGISTICS INCSep 7, 2026 → Oct 18, 20262
AN1530ID—USKO EXPRESS INCJan 6, 2024 → May 28, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026