Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X3KD622799 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 10, 2023
UT
Last seenMar 29, 2026
AR
Inspected under 2 different carriers in 31 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
1XPBDP9X3KD622799
Make
Peterbilt
Model
579
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1989 or 2019

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

North American serial sequence
622799

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
2019

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 · Aug 10, 2023 – Mar 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 29, 2026ARIII · Driver-only1FREIGHT WAY LOGISTICS LLC 2861789P1271344/IL
Mar 25, 2026TXII · Walk-around9OOSFREIGHT WAY LOGISTICS LLC 2861789P1271344/IL
Oct 17, 2025ARIII · Driver-only1FREIGHT WAY LOGISTICS LLC 2861789P1271344/IL
May 13, 2025TNIII · Driver-only0FREIGHT WAY LOGISTICS LLC 2861789P1271344/IL
Jan 28, 2025TXII · Walk-around1FREIGHT WAY LOGISTICS LLC 2861789P1271344/IL
Dec 30, 2023NVIII · Driver-only0SAAD EXPRESS LLC 3651787PWY7018/OH
Nov 10, 2023NMII · Walk-around1SAAD EXPRESS LLC 3651787PWY7018/OH
Aug 10, 2023UTI · Full0SAAD EXPRESS LLC 3651787Q943298/OH
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FREIGHT WAY LOGISTICS LLC2861789Jan 28, 2025Mar 29, 20265IL
SAAD EXPRESS LLC3651787Aug 10, 2023Dec 30, 20233OH
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.
P1271344ILFREIGHT WAY LOGISTICS LLCJan 28, 2025Mar 29, 20265
PWY7018OHSAAD EXPRESS LLCNov 10, 2023Dec 30, 20232
Q943298OHSAAD EXPRESS LLCAug 10, 2023Aug 10, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026