Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 389

1NPXGGGG70D656400 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections3
all-time
OOS inspections2
of 3
First seenDec 20, 2023
MI
Last seenSep 22, 2025
MI
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXGGGG70D656400
Make
Peterbilt
Model
389
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jul 26, 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
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
Not established

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

North American serial sequence
656400

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 · Dec 20, 2023 – Sep 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 22, 2025MIII · Walk-around1CHRIS HELMS TRANSPORTATION INC 1796126RC38297/MI
Feb 15, 2024MIII · Walk-around2OOSCHRIS HELMS TRANSPORTATION INC 1796126RB83764/MI
Dec 20, 2023MIII · Walk-around2OOSCHRIS HELMS TRANSPORTATION INC 1796126RB83764/MI
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CHRIS HELMS TRANSPORTATION INC1796126Dec 20, 2023Sep 22, 20253MI
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.
RC38297MICHRIS HELMS TRANSPORTATION INCSep 22, 2025Sep 22, 20251
RB83764MICHRIS HELMS TRANSPORTATION INCDec 20, 2023Feb 15, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026