Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X7PD863174 · Truck-Tractor · TRUCK
Carriers run under3
35 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 22, 2023
IL
Last seenMay 28, 2026
IL
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
1XPBDP9X7PD863174
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
7 · valid

Deterministic · position 9; calculated value 7.

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
863174

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 · Jun 22, 2023 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026ILIII · Driver-only0—ROBBIE BEAVER 923065P1350560/IL
Apr 16, 2024ARIII · Driver-only0—S & J POTASHNICK TRANSPORTATION INC 28181438KT9J/MO
Jan 26, 2024MII · Full2—HARPERS HOT SHOT TRUCKING LLC 1958628R685587/TX
Nov 30, 2023TNIII · Driver-only0—HARPERS HOT SHOT TRUCKING LLC 1958628R644235/TX
Jul 11, 2023SCIII · Driver-only2—HARPERS HOT SHOT TRUCKING LLC 1958628R644235/TX
Jun 22, 2023ILIII · Driver-only2—HARPERS HOT SHOT TRUCKING LLC 1958628R644235/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBBIE BEAVER923065May 28, 2026May 28, 20261OK
S & J POTASHNICK TRANSPORTATION INC281814Apr 16, 2024Apr 16, 20241MO
HARPERS HOT SHOT TRUCKING LLC1958628Jun 22, 2023Jan 26, 20244TX
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.
P1350560IL—ROBBIE BEAVERMay 28, 2026 → May 28, 20261
38KT9JMO—S & J POTASHNICK TRANSPORTATION INCApr 16, 2024 → Apr 16, 20241
R685587TX—HARPERS HOT SHOT TRUCKING LLCJan 26, 2024 → Jan 26, 20241
R644235TX—HARPERS HOT SHOT TRUCKING LLCJun 22, 2023 → Nov 30, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026