Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X6KD231497 · Truck-Tractor · TRUCK
Carriers run under3
16 mo
Inspections8
all-time
OOS inspections0
of 8
First seenMar 26, 2025
NY
Last seenJul 3, 2026
TX
Inspected under 3 different carriers in 16 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
1XPBD49X6KD231497
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
BD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
231497

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.

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 · Mar 26, 2025 – Jul 3, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 3, 2026TXII · Walk-around0DESIDERIO S FLORES JR 3654914R844769/TX
May 27, 2026TXII · Walk-around2DESIDERIO S FLORES JR 365491471P768N/TX
May 21, 2026TXII · Walk-around1DESIDERIO S FLORES JR 365491478M603N/TX
Feb 27, 2026TXI · Full0DYNALOGISTICS LLC 299009678M603N/TX
Apr 24, 2025OHII · Walk-around0ANNETT HOLDINGS INC 87409DZ9103/IA
Apr 21, 2025INIII · Driver-only1ANNETT HOLDINGS INC 87409DZ9103/IA
Mar 31, 2025MOI · Full0ANNETT HOLDINGS INC 87409DZ9103/IA
Mar 26, 2025NYIII · Driver-only0ANNETT HOLDINGS INC 87409DZ9103/IA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DESIDERIO S FLORES JR3654914May 21, 2026Jul 3, 20263TX
DYNALOGISTICS LLC2990096Feb 27, 2026Feb 27, 20261TX
ANNETT HOLDINGS INC87409Mar 26, 2025Apr 24, 20254IA
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.
R844769TX1DESIDERIO S FLORES JRJul 3, 2026Jul 3, 20261
71P768NTXDESIDERIO S FLORES JRMay 27, 2026May 27, 20261
78M603NTXDESIDERIO S FLORES JRMay 21, 2026May 21, 20261
78M603NTXDYNALOGISTICS LLCFeb 27, 2026Feb 27, 20261
DZ9103IAANNETT HOLDINGS INCMar 26, 2025Apr 24, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026