Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 389

1NPXGGGGX0D320532 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under1
24 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJun 14, 2023
TX
Last seenJun 12, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXGGGGX0D320532
Make
Peterbilt
Model
389
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jul 7, 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
XGGGG

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
Not established

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

North American serial sequence
320532

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 · 4,012 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 4,012 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
Not established

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
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model year
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jun 14, 2023 – Jun 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2025TXII · Walk-around0MAX MAHAN COMPANY INC 189523R367402/TX
Aug 12, 2024TXII · Walk-around0MAX MAHAN COMPANY INC 189523R367402/TX
Jun 29, 2023TXII · Walk-around0MAX MAHAN COMPANY INC 189523R367402/TX
Jun 14, 2023TXI · Full1MAX MAHAN COMPANY INC 189523R437402/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAX MAHAN COMPANY INC189523Jun 14, 2023Jun 12, 20254TX
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.
R367402TXMAX MAHAN COMPANY INCJun 29, 2023Jun 12, 20253
R437402TXMAX MAHAN COMPANY INCJun 14, 2023Jun 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026