Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 389

1XPXDP9X3RD666611 · Truck-Tractor · TRUCK
Carriers run under1
31 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 20, 2023
NM
Last seenJul 27, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXDP9X3RD666611
Make
Peterbilt
Model
389
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 31, 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
XDP9X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1994 or 2024

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

North American serial sequence
666611

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 · 2,292 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 2,292 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
2024

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 · Dec 20, 2023 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026COIII · Driver-only0WESTERN DISTRIBUTING COMPANY 145556A23579/WY
May 15, 2025IDI · Full0WESTERN DISTRIBUTING COMPANY 145556A23579/WY
Jun 13, 2024UTIII · Driver-only1WESTERN DISTRIBUTING COMPANY 145556A18531/WY
Dec 20, 2023NMIII · Driver-only1WESTERN DISTRIBUTING COMPANY 145556A18531/WY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTERN DISTRIBUTING COMPANY145556Dec 20, 2023Jul 27, 20264CO
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.
A23579WY1WESTERN DISTRIBUTING COMPANYMay 15, 2025Jul 27, 20262
A18531WYWESTERN DISTRIBUTING COMPANYDec 20, 2023Jun 13, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026