Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 389

1XPXD40X6LD667531 · Truck-Tractor · TRUCK
Carriers run under1
32 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 24, 2023
MD
Last seenFeb 6, 2026
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXD40X6LD667531
Make
Peterbilt
Model
389
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 6, 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
XD40X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1990 or 2020

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

North American serial sequence
667531

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 · 1,508 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 1,508 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.

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 24, 2023 – Feb 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 6, 2026MDII · Walk-around0—DAVID M HOLZHAUER AND ROBERT J WORK 450818AG88574/PA
Jun 24, 2023MDII · Walk-around1—DAVID M HOLZHAUER AND ROBERT J WORK 450818AG88574/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAVID M HOLZHAUER AND ROBERT J WORK450818Jun 24, 2023Feb 6, 20262PA
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.
AG88574PA—DAVID M HOLZHAUER AND ROBERT J WORKJun 24, 2023 → Feb 6, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026