Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T6 Series

1XKAD49XX9J257484 · Truck-Tractor · TRUCK
T600
Carriers run under2
31 mo
Inspections6
all-time
OOS inspections2
of 6
First seenDec 7, 2023
MN
Last seenJul 14, 2026
CA
Inspected under 2 different carriers in 31 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
1XKAD49XX9J257484
Make
Kenworth
Model
T6 Series
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 10, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
AD49X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2009 or 2039

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

North American serial sequence
257484

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% 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
2009

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T6 Series

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 7, 2023 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026CAIII · Driver-only3ONTARIO TRUCKING CORP 4351317DFO6ED/FL
Jul 13, 2026AZII · Walk-around20OOSONTARIO TRUCKING CORP 4351317DF06ED/FL
Oct 8, 2025AZIII · Driver-only1OOSONTARIO TRUCKING CORP 4351317DF06ED/FL
Mar 26, 2024KYII · Walk-around4HIGH QUALITY TRUCKING INC 1571543AB30HB/FL
Jan 31, 2024IAII · Walk-around1HIGH QUALITY TRUCKING INC 1571543AB30HB/FL
Dec 7, 2023MNII · Walk-around4HIGH QUALITY TRUCKING INC 1571543AB3OHB/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ONTARIO TRUCKING CORP4351317Oct 8, 2025Jul 14, 20263FL
HIGH QUALITY TRUCKING INC1571543Dec 7, 2023Mar 26, 20243FL
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.
DFO6EDFL1ONTARIO TRUCKING CORPJul 14, 2026Jul 14, 20261
DF06EDFL1ONTARIO TRUCKING CORPOct 8, 2025Jul 13, 20262
AB30HBFLHIGH QUALITY TRUCKING INCJan 31, 2024Mar 26, 20242
AB3OHBFLHIGH QUALITY TRUCKING INCDec 7, 2023Dec 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026