Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X4KD622391 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections5
all-time
OOS inspections0
of 5
First seenAug 6, 2024
AK
Last seenMay 13, 2026
US
Inspected under 2 different carriers in 21 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
1XPBDP9X4KD622391
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 29, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
622391

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 6, 2024 – May 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2026USI · Full0GREATWIDE AMERICAN TRANS-FREIGHT LLC 75355112737AW/WI
Mar 19, 2026TNI · Full0GREATWIDE AMERICAN TRANS-FREIGHT LLC 753551WI-200221/WI
Apr 25, 2025CAIII · Driver-only1FSD TRANSPORTATION INC 2499827P1254430/CA
Sep 11, 2024COIII · Driver-only2FSD TRANSPORTATION INC 2499827P1251717/IL
Aug 6, 2024AKIII · Driver-only0FSD TRANSPORTATION INC 2499827JXG722/AK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREATWIDE AMERICAN TRANS-FREIGHT LLC753551Mar 19, 2026May 13, 20262PA
FSD TRANSPORTATION INC2499827Aug 6, 2024Apr 25, 20253IL
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.
12737AWWIGREATWIDE AMERICAN TRANS-FREIGHT LLCMay 13, 2026May 13, 20261
WI-200221WIGREATWIDE AMERICAN TRANS-FREIGHT LLCMar 19, 2026Mar 19, 20261
P1254430CAFSD TRANSPORTATION INCApr 25, 2025Apr 25, 20251
P1251717ILFSD TRANSPORTATION INCSep 11, 2024Sep 11, 20241
JXG722AKFSD TRANSPORTATION INCAug 6, 2024Aug 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026