Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth T6 Series

1NKAGGGG20J451886 · Incomplete - Glider · INCOMPLETE VEHICLE
T600
Carriers run under1
12 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 31, 2025
TX
Last seenJul 26, 2026
LA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKAGGGG20J451886
Make
Kenworth
Model
T6 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jul 6, 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
1NK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AGGGG

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
Not established

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

North American serial sequence
451886

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
KENWORTH

Prefix basis · 231 decoded VINs at 100.0% prefix purity.

Model
T6 Series

Prefix basis · 231 decoded VINs at 100.0% prefix purity.

Model line
T600

Sourced label · prefix basis 231 decoded VINs at 100.0% prefix purity.

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
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T6 Series

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
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 31, 2025 – Jul 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 26, 2026LAII · Walk-around2OOSALFA TRANSPORT LLC 3452065R807652/TX
Jun 1, 2026GAIII · Driver-only0ALFA TRANSPORT LLC 3452065R807652/TX
Mar 24, 2026GAIII · Driver-only0ALFA TRANSPORT LLC 3452065R807652/TX
Feb 3, 2026TXIII · Driver-only3ALFA TRANSPORT LLC 34520652P8093S/TX
Jul 31, 2025TXII · Walk-around5ALFA TRANSPORT LLC 34520652P8093S/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ALFA TRANSPORT LLC3452065Jul 31, 2025Jul 26, 20265TX
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.
R807652TX1ALFA TRANSPORT LLCMar 24, 2026Jul 26, 20263
2P8093STXALFA TRANSPORT LLCJul 31, 2025Feb 3, 20262
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026