Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X6HD432567 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections6
all-time
OOS inspections3
of 6
First seenNov 12, 2024
TX
Last seenAug 28, 2025
TX
Inspected under 2 different carriers in 9 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
1XPBDP9X6HD432567
Make
Peterbilt
Model
579
Model year
2017
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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1987 or 2017

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

North American serial sequence
432567

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
2017

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 12, 2024 – Aug 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 28, 2025TXII · Walk-around0PROSPERITY TRANSPORTATION LLC 2902356R796266/TX
Jun 24, 2025TXII · Walk-around4OOSPROSPERITY TRANSPORTATION LLC 2902356R742101/TX
Jun 12, 2025TXII · Walk-around3KC EXPRESS TRANSPORTATION LLC 3631004R742101/TX
Jan 30, 2025MOII · Walk-around2OOSKC EXPRESS TRANSPORTATION LLC 3631004R742101/TX
Jan 6, 2025OKIII · Driver-only0KC EXPRESS TRANSPORTATION LLC 3631004R742101/TX
Nov 12, 2024TXII · Walk-around2OOSKC EXPRESS TRANSPORTATION LLC 3631004R742101/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PROSPERITY TRANSPORTATION LLC2902356Jun 24, 2025Aug 28, 20252TX
KC EXPRESS TRANSPORTATION LLC3631004Nov 12, 2024Jun 12, 20254TX
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.
R796266TXPROSPERITY TRANSPORTATION LLCAug 28, 2025Aug 28, 20251
R742101TXPROSPERITY TRANSPORTATION LLCJun 24, 2025Jun 24, 20251
R742101TXKC EXPRESS TRANSPORTATION LLCNov 12, 2024Jun 12, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026