Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 579

1NPBGGGG90D654321 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under1
10 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 29, 2025
FL
Last seenJul 23, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPBGGGG90D654321
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
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
Not established

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

North American serial sequence
654321

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 · Sep 29, 2025 – Jul 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2026NMII · Walk-around0SAVANNAH LOGISTICS SERVICES LLC 4451976C499FG/GA
Jul 2, 2026NMII · Walk-around0SAVANNAH LOGISTICS SERVICES LLC 4451976C499FG/GA
Apr 16, 2026ALIII · Driver-only1SAVANNAH LOGISTICS SERVICES LLC 4451976C499FG/GA
Sep 29, 2025FLII · Walk-around0SAVANNAH LOGISTICS SERVICES LLC 4451976C547EL/GA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SAVANNAH LOGISTICS SERVICES LLC4451976Sep 29, 2025Jul 23, 20264GA
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.
C499FGGA1SAVANNAH LOGISTICS SERVICES LLCApr 16, 2026Jul 23, 20263
C547ELGASAVANNAH LOGISTICS SERVICES LLCSep 29, 2025Sep 29, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026