Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG20J183461 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under2
26 mo
Inspections5
all-time
OOS inspections0
of 5
First seenOct 23, 2023
MA
Last seenDec 10, 2025
AR
Inspected under 2 different carriers in 26 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
1NKWGGGG20J183461
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jun 28, 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
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
183461

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 · Oct 23, 2023 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025ARIII · Driver-only1TEMPERATURE CONTROLLED EXPRESS INC 716474F8472HY/TN
Nov 20, 2025OKIII · Driver-only1TEMPERATURE CONTROLLED EXPRESS INC 716474F8472HY/TN
May 13, 2025TNIII · Driver-only0STEPHENS PIPE & STEEL LLC 280534A63816/KY
Mar 28, 2024MDII · Walk-around1STEPHENS PIPE & STEEL LLC 280534A63816/KY
Oct 23, 2023MAIII · Driver-only0STEPHENS PIPE & STEEL LLC 280534AG3816/KY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TEMPERATURE CONTROLLED EXPRESS INC716474Nov 20, 2025Dec 10, 20252TN
STEPHENS PIPE & STEEL LLC280534Oct 23, 2023May 13, 20253KY
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.
F8472HYTNTEMPERATURE CONTROLLED EXPRESS INCNov 20, 2025Dec 10, 20252
A63816KYSTEPHENS PIPE & STEEL LLCMar 28, 2024May 13, 20252
AG3816KYSTEPHENS PIPE & STEEL LLCOct 23, 2023Oct 23, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026