Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1XPXP4TX0PD858242 · Truck-Tractor · TRUCK
Carriers run under1
28 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJun 12, 2023
WA
Last seenOct 22, 2025
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXP4TX0PD858242
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
XP4TX

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
858242

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 · 148 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 148 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 · Jun 12, 2023 – Oct 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 22, 2025TNII · Walk-around2OOSFRONTIER SPECIALIZED LLC 3160587DF67BK/FL
Mar 5, 2025MTII · Walk-around1FRONTIER SPECIALIZED LLC 3160587D67BK/FL
Dec 23, 2024PAII · Walk-around5FRONTIER SPECIALIZED LLC 3160587DF67BK/FL
Nov 23, 2024IAIII · Driver-only0FRONTIER SPECIALIZED LLC 3160587DF67BK/FL
Oct 2, 2024NEIII · Driver-only1FRONTIER SPECIALIZED LLC 3160587AB46SY/FL
Mar 9, 2024IAIII · Driver-only1FRONTIER SPECIALIZED LLC 3160587AB46SY/FL
Jan 29, 2024COIII · Driver-only4FRONTIER SPECIALIZED LLC 3160587AB46SY/FL
Nov 1, 2023COIII · Driver-only4FRONTIER SPECIALIZED LLC 3160587JD94YI/FL
Jun 12, 2023WAIII · Driver-only1FRONTIER SPECIALIZED LLC 3160587JD94YI/FL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRONTIER SPECIALIZED LLC3160587Jun 12, 2023Oct 22, 20259FL
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.
DF67BKFLFRONTIER SPECIALIZED LLCNov 23, 2024Oct 22, 20253
D67BKFLFRONTIER SPECIALIZED LLCMar 5, 2025Mar 5, 20251
AB46SYFLFRONTIER SPECIALIZED LLCJan 29, 2024Oct 2, 20243
JD94YIFLFRONTIER SPECIALIZED LLCJun 12, 2023Nov 1, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026