Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 579

1NPBGGGG30D455667 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under2
4 mo
Inspections3
all-time
OOS inspections0
of 3
First seenAug 13, 2025
TX
Last seenDec 19, 2025
IL
Inspected under 2 different carriers in 4 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
1NPBGGGG30D455667
Make
Peterbilt
Model
579
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
BGGGG

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
Not established

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

North American serial sequence
455667

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 · 288 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 288 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
579

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 13, 2025 – Dec 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 19, 2025ILIII · Driver-only0MTN TRANSPORTATION INC 22012522608679/IN
Dec 19, 2025ILIII · Driver-only0GREENWOOD MOTOR LINES INC 633912608679/IN
Aug 13, 2025TXII · Walk-around1MTN TRANSPORTATION INC 2201252PG57012/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GREENWOOD MOTOR LINES INC63391Dec 19, 2025Dec 19, 20251OH
MTN TRANSPORTATION INC2201252Aug 13, 2025Dec 19, 20252IN
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.
2608679INGREENWOOD MOTOR LINES INCDec 19, 2025Dec 19, 20251
2608679INMTN TRANSPORTATION INCDec 19, 2025Dec 19, 20251
PG57012INMTN TRANSPORTATION INCAug 13, 2025Aug 13, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026