Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG40J439244 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under2
28 mo
Inspections7
all-time
OOS inspections0
of 7
First seenNov 9, 2023
TN
Last seenMar 25, 2026
AL
Inspected under 2 different carriers in 28 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NKWGGGG40J439244
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
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
WGGGG

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
Not established

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

North American serial sequence
439244

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 · 753 decoded VINs at 99.9% prefix purity.

Model
W9 Series

Prefix basis · 753 decoded VINs at 99.9% prefix purity.

Model line
W900

Sourced label · prefix basis 753 decoded VINs at 99.9% 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
W9 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 · Nov 9, 2023 – Mar 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 25, 2026ALIII · Driver-only1LITTRELL SAWMILL INC 429240352AEAAP/AL
Feb 24, 2025GAIII · Driver-only2LITTRELL LUMBER MILL INC 2751061215715/AL
Dec 19, 2024MSIII · Driver-only1LITTRELL LUMBER MILL INC 2751061173487/AL
Aug 16, 2024ALIII · Driver-only0LITTRELL LUMBER MILL INC 2751061173487/AL
Mar 13, 2024ALII · Walk-around2LITTRELL LUMBER MILL INC 2751061173487/AL
Nov 14, 2023MSIII · Driver-only0LITTRELL LUMBER MILL INC 2751061173487/AL
Nov 9, 2023TNII · Walk-around0LITTRELL LUMBER MILL INC 2751061173487/UK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LITTRELL SAWMILL INC4292403Mar 25, 2026Mar 25, 20261AL
LITTRELL LUMBER MILL INC275106Nov 9, 2023Feb 24, 20256AL
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.
52AEAAPALLITTRELL SAWMILL INCMar 25, 2026Mar 25, 20261
1215715ALLITTRELL LUMBER MILL INCFeb 24, 2025Feb 24, 20251
1173487ALLITTRELL LUMBER MILL INCNov 14, 2023Dec 19, 20244
1173487UKLITTRELL LUMBER MILL INCNov 9, 2023Nov 9, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026