Equipment unit · VIN-decoded · NHTSA vPIC

2009 Kenworth T8 Series

1XKDD49X79J258959 · Truck-Tractor · TRUCK
T800
Carriers run under1
34 mo
Inspections10
all-time
OOS inspections5
of 10
First seenAug 29, 2023
TX
Last seenJun 11, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD49X79J258959
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
Jun 18, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
258959

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 · Aug 29, 2023 – Jun 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 11, 2026TXII · Walk-around4DOUBLE R DOZER LLC 37888831M69936/TX
Feb 4, 2026TXII · Walk-around6DOUBLE R DOZER LLC 37888831M69936/TX
Jan 5, 2026TXII · Walk-around5DOUBLE R DOZER LLC 37888831M69936/TX
Dec 11, 2025TXIII · Driver-only3OOSDOUBLE R DOZER LLC 37888831M69936/TX
Oct 23, 2025TXII · Walk-around13DOUBLE R DOZER LLC 37888831M69936/TX
Oct 17, 2025TXII · Walk-around1OOSDOUBLE R DOZER LLC 37888831M69936/TX
Sep 19, 2025TXII · Walk-around2OOSDOUBLE R DOZER LLC 37888831M69936/TX
Sep 15, 2025TXII · Walk-around11DOUBLE R DOZER LLC 37888831M69936/TX
Feb 3, 2025TXII · Walk-around1OOSDOUBLE R DOZER LLC 37888831M69936/TX
Aug 29, 2023TXII · Walk-around15OOSDOUBLE R DOZER LLC 37888831M69936/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOUBLE R DOZER LLC3788883Aug 29, 2023Jun 11, 202610TX
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.
1M69936TX1DOUBLE R DOZER LLCAug 29, 2023Jun 11, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026