Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1XPXP40X7PD856430 · Truck-Tractor · TRUCK
Carriers run under1
24 mo
Inspections5
all-time
OOS inspections0
of 5
First seenMay 7, 2024
NE
Last seenMay 15, 2026
NE
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXP40X7PD856430
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 29, 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
XP40X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
856430

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 · 155 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 155 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 · May 7, 2024 – May 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 15, 2026NEIII · Driver-only5AKAL ENERGY LLC 1970617A28856/WY
Sep 28, 2024NEI · Full0AKAL ENERGY LLC 1970617A17190/WY
Aug 16, 2024WYII · Walk-around1AKAL ENERGY LLC 1970617A19190/WY
Aug 6, 2024NEI · Full1AKAL ENERGY LLC 1970617A17190/AB
May 7, 2024NEI · Full2AKAL ENERGY LLC 1970617A17190/WY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AKAL ENERGY LLC1970617May 7, 2024May 15, 20265WY
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.
A28856WYAKAL ENERGY LLCMay 15, 2026May 15, 20261
A17190WYAKAL ENERGY LLCMay 7, 2024Sep 28, 20242
A19190WYAKAL ENERGY LLCAug 16, 2024Aug 16, 20241
A17190ABAKAL ENERGY LLCAug 6, 2024Aug 6, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026