Equipment unit · VIN-decoded · NHTSA vPIC

Kenworth W9 Series

1NKWGGGG50J439124 · Incomplete - Glider · INCOMPLETE VEHICLE
W900
Carriers run under2
29 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJul 14, 2023
GA
Last seenDec 9, 2025
FL
Inspected under 2 different carriers in 29 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
1NKWGGGG50J439124
Make
Kenworth
Model
W9 Series
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Jun 23, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
Not established

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

North American serial sequence
439124

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 · Jul 14, 2023 – Dec 9, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 9, 2025FLII · Walk-around3OOSROBERTO MEDINA 2287330MIV70N/FL
Sep 18, 2025FLIII · Driver-only0ROBERTO MEDINA 2287330MIV70N/FL
Jul 29, 2025FLII · Walk-around4ROBERTO MEDINA 2287330MIV70N/FL
Apr 29, 2025FLII · Walk-around5OOSROBERTO MEDINA 2287330MIV70N/FL
Apr 9, 2025FLII · Walk-around2ROBERTO MEDINA 2287330MIV70N/FL
Jul 14, 2023GAIII · Driver-only1BYRD'S TRUCKING LLC 1422115MIM06V/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ROBERTO MEDINA2287330Apr 9, 2025Dec 9, 20255FL
BYRD'S TRUCKING LLC1422115Jul 14, 2023Jul 14, 20231FL
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.
MIV70NFLROBERTO MEDINAApr 9, 2025Dec 9, 20255
MIM06VFLBYRD'S TRUCKING LLCJul 14, 2023Jul 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026