Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 389

1NPXGGGGX0D228174 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under2
20 mo
Inspections5
all-time
OOS inspections0
of 5
First seenNov 7, 2023
MT
Last seenJul 22, 2025
WA
Inspected under 2 different carriers in 20 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPXGGGGX0D228174
Make
Peterbilt
Model
389
Model year
—
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
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
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
228174

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.

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 · Nov 7, 2023 – Jul 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2025WAIII · Driver-only1—INTERWEST CONSTRUCTION INC 1748840C82292M/WA
Jan 28, 2025WAIII · Driver-only0—INTERWEST CONSTRUCTION INC 174884055983AC/WA
Jan 6, 2025WAIII · Driver-only1—INTERWEST CONSTRUCTION INC 1748840C82292M/WA
Jun 25, 2024WAIII · Driver-only1—INTERWEST CONSTRUCTION INC 1748840C82292M/WA
Nov 7, 2023MTIII · Driver-only0—NORTH HILL RESOURCES 1775227C82292M/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
INTERWEST CONSTRUCTION INC1748840Jun 25, 2024Jul 22, 20254WA
NORTH HILL RESOURCES1775227Nov 7, 2023Nov 7, 20231WA
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.
C82292MWA—INTERWEST CONSTRUCTION INCJun 25, 2024 → Jul 22, 20253
55983ACWA—INTERWEST CONSTRUCTION INCJan 28, 2025 → Jan 28, 20251
C82292MWA—NORTH HILL RESOURCESNov 7, 2023 → Nov 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026