Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1XPXD49X8PD798579 · Truck-Tractor · TRUCK
Carriers run under1
24 mo
Inspections9
all-time
OOS inspections4
of 9
First seenNov 19, 2023
WA
Last seenNov 21, 2025
OR
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXD49X8PD798579
Make
Peterbilt
Model
389
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 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
XD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
798579

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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
389

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 · Nov 19, 2023 – Nov 21, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 21, 2025ORIII · Driver-only11OOSWESTERN AG INCORPORATED 2334966K213623/TX
Jul 12, 2025ORIII · Driver-only2WESTERN AG INCORPORATED 2334966K213623/TX
Jun 30, 2025CAII · Walk-around0WESTERN AG INCORPORATED 2334966K213623/TX
Jun 26, 2025CAII · Walk-around1WESTERN AG INCORPORATED 2334966YP77261/CA
Jun 25, 2025ORIII · Driver-only2OOSWESTERN AG INCORPORATED 2334966YP77261/CA
Jan 30, 2025CAIII · Driver-only1OOSWESTERN AG INCORPORATED 2334966YP77261/CA
Oct 28, 2024CAI · Full0WESTERN AG INCORPORATED 2334966YP77261/CA
Jun 4, 2024CAII · Walk-around5OOSWESTERN AG INCORPORATED 2334966YP77261/CA
Nov 19, 2023WAII · Walk-around5WESTERN AG INCORPORATED 2334966YP50554/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTERN AG INCORPORATED2334966Nov 19, 2023Nov 21, 20259CA
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.
K213623TXWESTERN AG INCORPORATEDJun 30, 2025Nov 21, 20253
YP77261CAWESTERN AG INCORPORATEDJun 4, 2024Jun 26, 20255
YP50554CAWESTERN AG INCORPORATEDNov 19, 2023Nov 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026