Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZX4TX6LJ427991 · Truck · INCOMPLETE VEHICLE
Carriers run under1
27 mo
Inspections4
all-time
OOS inspections0
of 4
First seenSep 26, 2023
AL
Last seenDec 30, 2025
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZX4TX6LJ427991
Make
Kenworth
Model
T880
Model year
2020
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
ZX4TX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1990 or 2020

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

North American serial sequence
427991

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 · 2,638 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 2,638 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
2020

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T880

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 8: 33,001 lb and above (14,969 kg and above)

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 · Sep 26, 2023 – Dec 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 30, 2025ALIII · Driver-only0GRAYSON CARTER & SON CONTRACTING INC 151079544A5R12/AL
Mar 24, 2025ALIII · Driver-only0GRAYSON CARTER & SON CONTRACTING INC 151079544A5N4D/AL
Sep 25, 2024ALIII · Driver-only0GRAYSON CARTER & SON CONTRACTING INC 151079544A5N4D/AL
Sep 26, 2023ALIII · Driver-only0GRAYSON CARTER & SON CONTRACTING INC 151079544A1D20/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GRAYSON CARTER & SON CONTRACTING INC1510795Sep 26, 2023Dec 30, 20254AL
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.
44A5R12ALGRAYSON CARTER & SON CONTRACTING INCDec 30, 2025Dec 30, 20251
44A5N4DALGRAYSON CARTER & SON CONTRACTING INCSep 25, 2024Mar 24, 20252
44A1D20ALGRAYSON CARTER & SON CONTRACTING INCSep 26, 2023Sep 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026