Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X9PD867887 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections5
all-time
OOS inspections3
of 5
First seenSep 15, 2023
NM
Last seenMay 21, 2026
TX
Inspected under 2 different carriers in 32 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
1XPBDP9X9PD867887
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 29, 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
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
867887

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 · Sep 15, 2023 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026TXII · Walk-around6OOSELITE CEMENT TRANSPORT LLC 368569795T765N/TX
Mar 18, 2026TXI · Full3ELITE CEMENT TRANSPORT LLC 368569738S649N/TX
Oct 28, 2023NMII · Walk-around2OOSSIERRA EXPRESS INC 878050C671EB/GA
Oct 5, 2023NMIII · Driver-only0SIERRA EXPRESS INC 878050C671EB/GA
Sep 15, 2023NMII · Walk-around1OOSSIERRA EXPRESS INC 878050C671EB/GA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ELITE CEMENT TRANSPORT LLC3685697Mar 18, 2026May 21, 20262TX
SIERRA EXPRESS INC878050Sep 15, 2023Oct 28, 20233GA
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.
95T765NTXELITE CEMENT TRANSPORT LLCMay 21, 2026May 21, 20261
38S649NTXELITE CEMENT TRANSPORT LLCMar 18, 2026Mar 18, 20261
C671EBGASIERRA EXPRESS INCSep 15, 2023Oct 28, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026