Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X8KD634557 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 4, 2024
TX
Last seenOct 13, 2026
TX
Inspected under 3 different carriers in 27 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
1XPBD49X8KD634557
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
Sep 6, 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
8 · valid

Deterministic · position 9; calculated value 8.

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
634557

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 · Jul 4, 2024 – Oct 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 13, 2026TXII · Walk-around6OOSKAP CONSTRUCTION TX, LLC 491133818T0079/TX
Feb 26, 2026KSIII · Driver-only0—KRAMER TRUCKING INC 1120067NOREG/KS
Jul 4, 2024TXII · Walk-around0—BIAGI BROS INC 433123XP39295/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAP CONSTRUCTION TX, LLC4911338Oct 13, 2026Oct 13, 20261TX
KRAMER TRUCKING INC1120067Feb 26, 2026Feb 26, 20261KS
BIAGI BROS INC433123Jul 4, 2024Jul 4, 20241CA
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.
18T0079TX1KAP CONSTRUCTION TX, LLCOct 13, 2026 → Oct 13, 20261
NOREGKS—KRAMER TRUCKING INCFeb 26, 2026 → Feb 26, 20261
XP39295CA—BIAGI BROS INCJul 4, 2024 → Jul 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026