Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X2PD847298 · Truck-Tractor · TRUCK
Carriers run under3
40 mo
Inspections7
all-time
OOS inspections0
of 7
First seenJun 20, 2023
AR
Last seenOct 29, 2026
KY
Inspected under 3 different carriers in 40 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
1XPBD49X2PD847298
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 28, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
847298

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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 · Jun 20, 2023 – Oct 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 29, 2026KYI · Full2—STEADFAST TRANSCONTINENT INC 51634057KT5Z/MO
Oct 12, 2026INIII · Driver-only3—STEADFAST TRANSCONTINENT INC 51634057KT52Z/MO
Aug 26, 2025TNI · Full0—WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLC 852143FX09835/AR
Feb 22, 2025ARIII · Driver-only0—STALLION EXPRESS INC 741086K824218/AR
May 9, 2024ARIII · Driver-only3—STALLION EXPRESS INC 741086K824218/AR
Feb 21, 2024ILII · Walk-around1—STALLION EXPRESS INC 741086PT219217/AR
Jun 20, 2023ARIII · Driver-only0—STALLION EXPRESS INC 741086K824218/AR
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STEADFAST TRANSCONTINENT INC516340Oct 12, 2026Oct 29, 20262MO
WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLC852143Aug 26, 2025Aug 26, 20251WA
STALLION EXPRESS INC741086Jun 20, 2023Feb 22, 20254AR
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.
57KT5ZMO1STEADFAST TRANSCONTINENT INCOct 29, 2026 → Oct 29, 20261
57KT52ZMO1STEADFAST TRANSCONTINENT INCOct 12, 2026 → Oct 12, 20261
FX09835AR—WESTERN TRUCK PARTS & EQUIPMENT COMPANY LLCAug 26, 2025 → Aug 26, 20251
K824218AR—STALLION EXPRESS INCJun 20, 2023 → Feb 22, 20253
PT219217AR—STALLION EXPRESS INCFeb 21, 2024 → Feb 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026