Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X8KD629926 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJan 25, 2024
AL
Last seenJun 11, 2026
TX
Inspected under 3 different carriers in 29 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
1XPBDP9X8KD629926
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 25, 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
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
629926

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 · Jan 25, 2024 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026TXII · Walk-around3A&D RELIABLE SERVICE INC 45034471P04604/TX
Feb 10, 2026TXI · Full9OOST&CM LOGISTICS LLC 4439860BYR70513/TX
Feb 9, 2026TXII · Walk-around1OOST&CM LOGISTICS LLC 4439860BYR70513/TX
Jan 22, 2026TXII · Walk-around4OOST&CM LOGISTICS LLC 4439860BYR70513/TX
May 17, 2024NCII · Walk-around0TENNESSEE STEEL HAULERS LLC 159317R8388HY/TN
Jan 25, 2024ALIII · Driver-only0TENNESSEE STEEL HAULERS LLC 159317R8388HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
A&D RELIABLE SERVICE INC4503447Jun 11, 2026Jun 11, 20261TX
T&CM LOGISTICS LLC4439860Jan 22, 2026Feb 10, 20263TX
TENNESSEE STEEL HAULERS LLC159317Jan 25, 2024May 17, 20242TN
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.
1P04604TX1A&D RELIABLE SERVICE INCJun 11, 2026Jun 11, 20261
BYR70513TXT&CM LOGISTICS LLCJan 22, 2026Feb 10, 20263
R8388HYTNTENNESSEE STEEL HAULERS LLCJan 25, 2024May 17, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026