Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X3PD851389 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections8
all-time
OOS inspections4
of 8
First seenNov 15, 2024
CA
Last seenApr 17, 2026
PA
Inspected under 2 different carriers in 17 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
1XPBD49X3PD851389
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
3 · valid

Deterministic · position 9; calculated value 3.

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
851389

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.

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 · Nov 15, 2024 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026PAIII · Driver-only5HSS TRANSPORTATION LLC 3426974PXF0922/OH
Mar 18, 2026INI · Full5OOSHSS TRANSPORTATION LLC 3426974P1170197/IL
Nov 10, 2025CAI · Full1HSS TRANSPORTATION LLC 3426974P1170197/IL
Jul 23, 2025NYIII · Driver-only1HSS TRANSPORTATION LLC 3426974P1170197/IL
Dec 30, 2024AZII · Walk-around5OOSH AND E TRANSPORTATION INC 3564006P1170197/IL
Dec 27, 2024WAII · Walk-around3OOSH AND E TRANSPORTATION INC 3564006P1170197/PA
Nov 19, 2024CAII · Walk-around0H AND E TRANSPORTATION INC 3564006P1170197/IL
Nov 15, 2024CAI · Full3OOSH AND E TRANSPORTATION INC 3564006P1170197/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HSS TRANSPORTATION LLC3426974Jul 23, 2025Apr 17, 20264OH
H AND E TRANSPORTATION INC3564006Nov 15, 2024Dec 30, 20244OH
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.
PXF0922OHHSS TRANSPORTATION LLCApr 17, 2026Apr 17, 20261
P1170197ILHSS TRANSPORTATION LLCJul 23, 2025Mar 18, 20263
P1170197ILH AND E TRANSPORTATION INCNov 15, 2024Dec 30, 20243
P1170197PAH AND E TRANSPORTATION INCDec 27, 2024Dec 27, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026