Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 389

1NPXD49X6PD876691 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under1
22 mo
Inspections5
all-time
OOS inspections0
of 5
First seenNov 15, 2023
AL
Last seenSep 16, 2025
MS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXD49X6PD876691
Make
Peterbilt
Model
389
Model year
2023
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
876691

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 · 1,241 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 1,241 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
INCOMPLETE VEHICLE

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 15, 2023 – Sep 16, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 16, 2025MSII · Walk-around2GRAROCK TRUCKING INC 363087A552411/MS
Jun 23, 2025MSIII · Driver-only0GRAROCK TRUCKING INC 363087A552411/MS
Mar 25, 2024ALIII · Driver-only0GRAROCK TRUCKING INC 363087A491944/MS
Mar 7, 2024MSII · Walk-around0GRAROCK TRUCKING INC 363087A491944/MS
Nov 15, 2023ALIII · Driver-only0GRAROCK TRUCKING INC 363087A491944/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRAROCK TRUCKING INC363087Nov 15, 2023Sep 16, 20255MS
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.
A552411MSGRAROCK TRUCKING INCJun 23, 2025Sep 16, 20252
A491944MSGRAROCK TRUCKING INCNov 15, 2023Mar 25, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026