Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 389

1NPXGGGG40D361271 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under2
18 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJan 4, 2024
VT
Last seenJul 2, 2025
KS
Inspected under 2 different carriers in 18 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
1NPXGGGG40D361271
Make
Peterbilt
Model
389
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jun 21, 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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
Not established

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

North American serial sequence
361271

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 · Jan 4, 2024 – Jul 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2025KSII · Walk-around1NSG TRUCKING INC 4212002257492/KS
Jun 17, 2025OHII · Walk-around0NSG TRUCKING INC 4212002257492/KS
Apr 28, 2025KYIII · Driver-only2NSG TRUCKING INC 4212002257492/KS
Jul 23, 2024OHII · Walk-around6OOSRSTZ TRANSPORT INC 10042821AC82E/MA
Apr 14, 2024NYIII · Driver-only1RSTZ TRANSPORT INC 10042821AC82E/MA
Apr 1, 2024MSII · Walk-around0RSTZ TRANSPORT INC 10042821AC82E/MA
Feb 13, 2024NYII · Walk-around4RSTZ TRANSPORT INC 10042821AC82E/MA
Jan 4, 2024VTII · Walk-around1RSTZ TRANSPORT INC 10042821AC82E/MA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NSG TRUCKING INC4212002Apr 28, 2025Jul 2, 20253KS
RSTZ TRANSPORT INC1004282Jan 4, 2024Jul 23, 20245MA
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.
257492KSNSG TRUCKING INCApr 28, 2025Jul 2, 20253
1AC82EMARSTZ TRANSPORT INCJan 4, 2024Jul 23, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026