Equipment unit · VIN-decoded · NHTSA vPIC

2025 Peterbilt 579

1XPBDP9X8SD755333 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections5
all-time
OOS inspections0
of 5
First seenNov 19, 2024
AZ
Last seenSep 24, 2026
WA
Inspected under 2 different carriers in 22 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
1XPBDP9X8SD755333
Make
Peterbilt
Model
579
Model year
2025
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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1995 or 2025

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
755333

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 · Nov 19, 2024 – Sep 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 24, 2026WAII · Walk-around0—FREESTYLE TRANSPORT LLC 1577878YAKJ440/OR
May 28, 2026NMII · Walk-around0—FREESTYLE TRANSPORT LLC 1577878YAKJ440/OR
May 17, 2025CAI · Full0—SHAW APL LLC 3077266YAKJ440/OR
Jan 15, 2025CAI · Full4—SHAW APL LLC 3077266YAKJ440/OR
Nov 19, 2024AZIII · Driver-only1—SHAW APL LLC 3077266YAKJ440/OR
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FREESTYLE TRANSPORT LLC1577878May 28, 2026Sep 24, 20262WA
SHAW APL LLC3077266Nov 19, 2024May 17, 20253WA
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.
YAKJ440OR1FREESTYLE TRANSPORT LLCMay 28, 2026 → Sep 24, 20262
YAKJ440OR—SHAW APL LLCNov 19, 2024 → May 17, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026