Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9XXKD605630 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections7
all-time
OOS inspections1
of 7
First seenJul 26, 2023
OK
Last seenApr 28, 2026
TX
Inspected under 2 different carriers in 33 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
1XPBDP9XXKD605630
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
X · valid

Deterministic · position 9; calculated value X.

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
605630

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 · Jul 26, 2023 – Apr 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 28, 2026TXII · Walk-around2KMB TRUCKING LLC 21265793MA604/OK
Nov 11, 2024ARIII · Driver-only1SM BUTLER TRUCKING LLC 38501163GU131/OK
Aug 22, 2024OKII · Walk-around5OOSSM BUTLER TRUCKING LLC 38501163GU131/OK
Jun 4, 2024ARIII · Driver-only0SM BUTLER TRUCKING LLC 38501163GU131/OK
Jan 30, 2024OKIII · Driver-only1SM BUTLER TRUCKING LLC 38501163GU131/OK
Oct 16, 2023ARIII · Driver-only0SM BUTLER TRUCKING LLC 38501163GU131/OK
Jul 26, 2023OKII · Walk-around2SM BUTLER TRUCKING LLC 38501163GU131/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KMB TRUCKING LLC2126579Apr 28, 2026Apr 28, 20261OK
SM BUTLER TRUCKING LLC3850116Jul 26, 2023Nov 11, 20246OK
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.
3MA604OKKMB TRUCKING LLCApr 28, 2026Apr 28, 20261
3GU131OKSM BUTLER TRUCKING LLCJul 26, 2023Nov 11, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026