Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 477

2NPKHM6X6TM790997 · Truck · INCOMPLETE VEHICLE
Carriers run under1
11 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 26, 2025
KY
Last seenJul 22, 2026
KY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2NPKHM6X6TM790997
Make
Peterbilt
Model
477
Model year
1996
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)
Decoded at
Jun 30, 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
2NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KHM6X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1996 or 2026

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

North American serial sequence
790997

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 · 567 decoded VINs at 97.9% prefix purity.

Model
536

Prefix basis · 567 decoded VINs at 97.9% 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
1996

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
477

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 26, 2025 – Jul 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 22, 2026KYIII · Driver-only0S & S FIRESTONE INC 271514N6Z987/KY
Jun 24, 2026KYII · Walk-around0S & S FIRESTONE INC 271514N6Z987/KY
Jun 8, 2026KYIII · Driver-only0S & S FIRESTONE INC 271514N6Z987/KY
Dec 8, 2025KYI · Full0S & S FIRESTONE INC 271514N6Z987/KY
Sep 19, 2025KYIII · Driver-only0S & S FIRESTONE INC 271514N6Z987/KY
Aug 26, 2025KYIII · Driver-only0S & S FIRESTONE INC 271514N6Z987/KY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & S FIRESTONE INC271514Aug 26, 2025Jul 22, 20266KY
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.
N6Z987KY1S & S FIRESTONE INCAug 26, 2025Jul 22, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 30, 2026