Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 389

1NPXGGGG60D260121 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under1
26 mo
Inspections6
all-time
OOS inspections3
of 6
First seenAug 29, 2023
PA
Last seenOct 17, 2025
WI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXGGGG60D260121
Make
Peterbilt
Model
389
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jun 23, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
Not established

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

North American serial sequence
260121

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 · Aug 29, 2023 – Oct 17, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 17, 2025WIII · Walk-around1MAXWELL TRANSPORT INC 638713AH71860/PA
Oct 10, 2025PAII · Walk-around4OOSMAXWELL TRANSPORT INC 638713AH71860/PA
Jun 23, 2025PAII · Walk-around7OOSMAXWELL TRANSPORT INC 638713AG37715/PA
Apr 23, 2025PAI · Full1MAXWELL TRANSPORT INC 638713AG37715/PA
Oct 12, 2023PAII · Walk-around1MAXWELL TRANSPORT INC 638713AG37715/PA
Aug 29, 2023PAII · Walk-around4OOSMAXWELL TRANSPORT INC 638713AG37715/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAXWELL TRANSPORT INC638713Aug 29, 2023Oct 17, 20256PA
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.
AH71860PAMAXWELL TRANSPORT INCOct 10, 2025Oct 17, 20252
AG37715PAMAXWELL TRANSPORT INCAug 29, 2023Jun 23, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026