Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T880

1NKZX4TXXLJ406724 · Truck · INCOMPLETE VEHICLE
Carriers run under1
37 mo
Inspections10
all-time
OOS inspections1
of 10
First seenJul 5, 2023
AL
Last seenAug 31, 2026
AL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKZX4TXXLJ406724
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
Jun 21, 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
X · valid

Deterministic · position 9; calculated value X.

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
406724

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 · Jul 5, 2023 – Aug 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 31, 2026ALII · Walk-around0AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Jun 29, 2026ALII · Walk-around0AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Mar 20, 2026ALII · Walk-around2AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Jan 9, 2026ALII · Walk-around1AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Sep 3, 2025ALII · Walk-around0AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Apr 29, 2024ALII · Walk-around2OOSAL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Jan 24, 2024ALIII · Driver-only0AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Jan 8, 2024ALIII · Driver-only0AL GRADING & EXCAVATING LLC 23813623A0C96X/AL
Oct 11, 2023ALIII · Driver-only1AL GRADING & EXCAVATING LLC 23813623A04WW8/AL
Jul 5, 2023ALIII · Driver-only0AL GRADING & EXCAVATING LLC 23813623A04WW8/AL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AL GRADING & EXCAVATING LLC2381362Jul 5, 2023Aug 31, 202610AL
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.
3A0C96XAL1AL GRADING & EXCAVATING LLCJan 8, 2024Aug 31, 20268
3A04WW8ALAL GRADING & EXCAVATING LLCJul 5, 2023Oct 11, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026