Equipment unit · VIN-decoded · NHTSA vPIC

1NKZL40X4SJ129793

Not yet decoded
Carriers run under1
11 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 19, 2024
MS
Last seenMay 23, 2025
NC
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
ZL40X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1995 or 2025

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

North American serial sequence
129793

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 · 968 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 968 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.

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 · Jun 19, 2024 – May 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 23, 2025NCII · Walk-around1ZEIGLER TREE & TIMBER INC 3039138Z833155/LA
Jun 19, 2024MSII · Walk-around3OOSZEIGLER TREE & TIMBER INC 3039138Z547951/LA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ZEIGLER TREE & TIMBER INC3039138Jun 19, 2024May 23, 20252LA
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.
Z833155LAZEIGLER TREE & TIMBER INCMay 23, 2025May 23, 20251
Z547951LAZEIGLER TREE & TIMBER INCJun 19, 2024Jun 19, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC