Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X8PD867878 · Truck-Tractor · TRUCK
Carriers run under3
35 mo
Inspections8
all-time
OOS inspections0
of 8
First seenJul 2, 2023
NM
Last seenJun 9, 2026
CA
Inspected under 3 different carriers in 35 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
1XPBDP9X8PD867878
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
8 · valid

Deterministic · position 9; calculated value 8.

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
867878

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 · Jul 2, 2023 – Jun 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 9, 2026CAI · Full0DESK TRANSPORT INC 4427174ZP76836/CA
Mar 31, 2026CAIII · Driver-only0PRISTINE TRANSPORT INC 3446893ZP76836/CA
Sep 11, 2025NVII · Walk-around2PRISTINE TRANSPORT INC 3446893ZP67716/CA
Jul 31, 2025CAI · Full0PRISTINE TRANSPORT INC 3446893ZP67716/CA
Jul 11, 2024NMII · Walk-around0SIERRA EXPRESS INC 878050C452DA/GA
Feb 19, 2024NMII · Walk-around1SIERRA EXPRESS INC 878050C452DA/GA
Jul 19, 2023MSII · Walk-around0SIERRA EXPRESS INC 878050C452DA/GA
Jul 2, 2023NMII · Walk-around1SIERRA EXPRESS INC 878050C452DA/GA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DESK TRANSPORT INC4427174Jun 9, 2026Jun 9, 20261IN
PRISTINE TRANSPORT INC3446893Jul 31, 2025Mar 31, 20263CA
SIERRA EXPRESS INC878050Jul 2, 2023Jul 11, 20244GA
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.
ZP76836CADESK TRANSPORT INCJun 9, 2026Jun 9, 20261
ZP76836CAPRISTINE TRANSPORT INCMar 31, 2026Mar 31, 20261
ZP67716CAPRISTINE TRANSPORT INCJul 31, 2025Sep 11, 20252
C452DAGASIERRA EXPRESS INCJul 2, 2023Jul 11, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026