Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T8 Series

1XKDD49X89J258940 · Truck-Tractor · TRUCK
T800
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections3
of 4
First seenSep 25, 2024
TX
Last seenMar 31, 2026
TX
Inspected under 2 different carriers in 18 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
1XKDD49X89J258940
Make
Kenworth
Model
T8 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
DD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
258940

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 · 1,944 decoded VINs at 93.9% prefix purity.

Model
T8 Series

Prefix basis · 1,944 decoded VINs at 93.9% prefix purity.

Model line
T800

Sourced label · prefix basis 1,944 decoded VINs at 93.9% 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
2009

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T8 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 · Sep 25, 2024 – Mar 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 31, 2026TXII · Walk-around6OOSCARLOS ALBERTO CUELLAR 4262043WJK4036/TX
Jun 24, 2025TXI · Full6OOSCARLOS ALBERTO CUELLAR 4262043WJK4036/TX
May 30, 2025TXII · Walk-around3CARLOS ALBERTO CUELLAR 4262043WJK4036/TX
Sep 25, 2024TXII · Walk-around3OOSRUBIO SAND & GRAVEL LLC 427531828N765M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CARLOS ALBERTO CUELLAR4262043May 30, 2025Mar 31, 20263TX
RUBIO SAND & GRAVEL LLC4275318Sep 25, 2024Sep 25, 20241TX
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.
WJK4036TXCARLOS ALBERTO CUELLARMay 30, 2025Mar 31, 20263
28N765MTXRUBIO SAND & GRAVEL LLCSep 25, 2024Sep 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 10, 2026