Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X0PD810381 · Truck-Tractor · TRUCK
Carriers run under3
14 mo
Inspections5
all-time
OOS inspections1
of 5
First seenMay 8, 2025
NM
Last seenJul 26, 2026
OK
Inspected under 3 different carriers in 14 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
1XPBDP9X0PD810381
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
Jul 12, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
810381

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 · May 8, 2025 – Jul 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 26, 2026OKII · Walk-around8ESSAR LOGISTICS LLC 2623979ZP48172/CA
Sep 17, 2025OKI · Full3OOSESSAR LOGISTICS LLC 2623979ZP48172/CA
Jun 10, 2025NEIII · Driver-only1ESSAR LOGISTICS LLC 2623979YP23280/CA
May 20, 2025CAIII · Driver-only0SILVER STATE SYSTEMS CORPORATION 2396953YP23280/CA
May 8, 2025NMIII · Driver-only1OWEN STEEL COMPANY INC 2396853YP23280/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ESSAR LOGISTICS LLC2623979Jun 10, 2025Jul 26, 20263CA
SILVER STATE SYSTEMS CORPORATION2396953May 20, 2025May 20, 20251NV
OWEN STEEL COMPANY INC2396853May 8, 2025May 8, 20251SC
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.
ZP48172CA1ESSAR LOGISTICS LLCSep 17, 2025Jul 26, 20262
YP23280CAESSAR LOGISTICS LLCJun 10, 2025Jun 10, 20251
YP23280CASILVER STATE SYSTEMS CORPORATIONMay 20, 2025May 20, 20251
YP23280CAOWEN STEEL COMPANY INCMay 8, 2025May 8, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026