Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBDP9X8JD443608 · Truck-Tractor · TRUCK
Carriers run under3
20 mo
Inspections4
all-time
OOS inspections0
of 4
First seenFeb 9, 2024
WV
Last seenOct 23, 2025
VA
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
1XPBDP9X8JD443608
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 20, 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
1988 or 2018

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

North American serial sequence
443608

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 · Feb 9, 2024 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025VAI · Full0—KST TRANSPORT INC 122552549786PZ/VA
Oct 22, 2025VAI · Full2—KST TRANSPORT INC 122552549786PZ/VA
Nov 12, 2024VAII · Walk-around0—EAGLE SYSTEMS INC 31499049786PZ/VA
Feb 9, 2024WVIII · Driver-only1—HORIZON MIDWEST INC 231769349786PZ/VA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KST TRANSPORT INC1225525Oct 22, 2025Oct 23, 20252VA
EAGLE SYSTEMS INC314990Nov 12, 2024Nov 12, 20241WA
HORIZON MIDWEST INC2317693Feb 9, 2024Feb 9, 20241OH
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.
49786PZVA1KST TRANSPORT INCOct 22, 2025 → Oct 23, 20252
49786PZVA—EAGLE SYSTEMS INCNov 12, 2024 → Nov 12, 20241
49786PZVA—HORIZON MIDWEST INCFeb 9, 2024 → Feb 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 20, 2026