Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X4PD825451 · Truck-Tractor · TRUCK
Carriers run under5
32 mo
Inspections12
all-time
OOS inspections3
of 12
First seenJul 17, 2023
UT
Last seenMar 18, 2026
SC
Inspected under 5 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
1XPBDP9X4PD825451
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 16, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
825451

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 17, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026SCIII · Driver-only1ROBERT L GAST INC 706981P1241352/IL
Nov 22, 2025MSIII · Driver-only0ILIM EXPRESS INC 3449311P1241352/IL
Dec 19, 2024INII · Walk-around1OCEAN 7 LOGISTICS INC 3750659P1241352/IL
Aug 2, 2024OHI · Full4HP FREIGHT INC 3589940P1241352/IL
Jul 12, 2024KYIII · Driver-only2OOSHP FREIGHT INC 3589940P1241352/IL
May 7, 2024UTIII · Driver-only0HP FREIGHT INC 3589940TEMP/IL
Dec 18, 2023NCII · Walk-around0HP FREIGHT INC 3589940P1194678/IL
Nov 2, 2023COIII · Driver-only11OOSHP FREIGHT INC 3589940P1194678/IL
Oct 4, 2023COIII · Driver-only0HP FREIGHT INC 3589940P1194678/IL
Aug 16, 2023NVII · Walk-around0HP FREIGHT INC 3589940P1194678/IL
Aug 13, 2023ARIII · Driver-only1MJ EXPEDITED TRANS COMPANY 3590960P1194678/IL
Jul 17, 2023UTI · Full2OOSMJ EXPEDITED TRANS COMPANY 3590960P1194678/IL
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERT L GAST INC706981Mar 18, 2026Mar 18, 20261NC
ILIM EXPRESS INC3449311Nov 22, 2025Nov 22, 20251IL
OCEAN 7 LOGISTICS INC3750659Dec 19, 2024Dec 19, 20241IL
HP FREIGHT INC3589940Aug 16, 2023Aug 2, 20247IL
MJ EXPEDITED TRANS COMPANY3590960Jul 17, 2023Aug 13, 20232IL
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.
P1241352ILROBERT L GAST INCMar 18, 2026Mar 18, 20261
P1241352ILILIM EXPRESS INCNov 22, 2025Nov 22, 20251
P1241352ILOCEAN 7 LOGISTICS INCDec 19, 2024Dec 19, 20241
P1241352ILHP FREIGHT INCJul 12, 2024Aug 2, 20242
TEMPILHP FREIGHT INCMay 7, 2024May 7, 20241
P1194678ILHP FREIGHT INCAug 16, 2023Dec 18, 20234
P1194678ILMJ EXPEDITED TRANS COMPANYJul 17, 2023Aug 13, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026