Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X0KD630101 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections9
all-time
OOS inspections0
of 9
First seenAug 27, 2023
TX
Last seenMay 25, 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
1XPBD49X0KD630101
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 19, 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
0 · valid

Deterministic · position 9; calculated value 0.

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
630101

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 · Aug 27, 2023 – May 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 25, 2026TXII · Walk-around3TURBO FLEET XPRESS INC 3284252R833363/TX
Oct 27, 2025TXII · Walk-around3SDL CARRIERS INC 3019765R693093/TX
Sep 4, 2025MTIII · Driver-only0SDL CARRIERS INC 3019765R693093/TX
Jan 10, 2025COIII · Driver-only1SDL CARRIERS INC 3019765R693093/TX
Dec 5, 2024COIII · Driver-only2SDL CARRIERS INC 3019765R693093/TX
Sep 11, 2024TXI · Full2SDL CARRIERS INC 301976529LA7F/MX
Apr 6, 2024NMIII · Driver-only3SDL CARRIERS INC 3019765R693093/TX
Nov 20, 2023KSIII · Driver-only1SDL CARRIERS INC 3019765R693093/TX
Aug 27, 2023TXII · Walk-around0SDL CARRIERS INC 3019765R693093/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TURBO FLEET XPRESS INC3284252May 25, 2026May 25, 20261TX
SDL CARRIERS INC3019765Aug 27, 2023Oct 27, 20258TX
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.
R833363TXTURBO FLEET XPRESS INCMay 25, 2026May 25, 20261
R693093TXSDL CARRIERS INCAug 27, 2023Oct 27, 20257
29LA7FMXSDL CARRIERS INCSep 11, 2024Sep 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026