Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X4PD865254 · Truck-Tractor · TRUCK
Carriers run under3
20 mo
Inspections5
all-time
OOS inspections0
of 5
First seenApr 24, 2024
WA
Last seenDec 24, 2025
TX
Inspected under 3 different carriers in 20 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
1XPBDP9X4PD865254
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 29, 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
865254

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 · Apr 24, 2024 – Dec 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 24, 2025TXII · Walk-around1LOBLAW TRANSPORT INC 41373260FD682/AB
Jun 20, 2025NDII · Walk-around0TRANS-WEST LOGISTICS INC 212131PB17431/ON
Apr 10, 2025CAIII · Driver-only0TRANS-WEST LOGISTICS INC 212131PB17431/ON
Dec 3, 2024NMIII · Driver-only0TRANS-WEST LOGISTICS INC 212131PB17431/ON
Apr 24, 2024WAII · Walk-around02463212 ONTARIO INC 3265807PA71950/ON
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LOBLAW TRANSPORT INC4137326Dec 24, 2025Dec 24, 20251AB
TRANS-WEST LOGISTICS INC212131Dec 3, 2024Jun 20, 20253QC
2463212 ONTARIO INC3265807Apr 24, 2024Apr 24, 20241ON
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.
0FD682ABLOBLAW TRANSPORT INCDec 24, 2025Dec 24, 20251
PB17431ONTRANS-WEST LOGISTICS INCDec 3, 2024Jun 20, 20253
PA71950ON2463212 ONTARIO INCApr 24, 2024Apr 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026