Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBDP9X9PD800397 · Truck-Tractor · TRUCK
Carriers run under1
21 mo
Inspections21
all-time
OOS inspections1
of 21
First seenOct 22, 2024
TX
Last seenJul 11, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBDP9X9PD800397
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
800397

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
2023

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 · Oct 22, 2024 – Jul 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 11, 2026TXI · Full1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jul 11, 2026TXI · Full1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jul 10, 2026TXII · Walk-around1OOSVALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jul 8, 2026TXI · Full2VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jul 8, 2026TXI · Full0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jun 8, 2026TXII · Walk-around1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
May 17, 2026MSIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Apr 19, 2026TXII · Walk-around0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Feb 11, 2026TXI · Full1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Dec 10, 2025LAII · Walk-around1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Nov 26, 2025TXIII · Driver-only1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Nov 6, 2025ALIII · Driver-only10VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Oct 14, 2025PAIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Sep 18, 2025ARIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Jul 23, 2025LAIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
May 8, 2025TXII · Walk-around0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Apr 5, 2025TNI · Full0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Dec 27, 2024TNIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R594505/TX
Nov 15, 2024TNI · Full0VALLE TRANSPORTATION SERVICE LLC 2357727R594505/UK
Nov 2, 2024LAIII · Driver-only0VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
Oct 22, 2024TXII · Walk-around1VALLE TRANSPORTATION SERVICE LLC 2357727R707307/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VALLE TRANSPORTATION SERVICE LLC2357727Oct 22, 2024Jul 11, 202621TX
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.
R707307TX1VALLE TRANSPORTATION SERVICE LLCOct 22, 2024Jul 11, 202619
R594505TXVALLE TRANSPORTATION SERVICE LLCDec 27, 2024Dec 27, 20241
R594505UKVALLE TRANSPORTATION SERVICE LLCNov 15, 2024Nov 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026