Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T8 Series

1XKDD79X1CJ329629 · Truck-Tractor · TRUCK
T800
Carriers run under1
22 mo
Inspections9
all-time
OOS inspections0
of 9
First seenFeb 21, 2024
TX
Last seenDec 10, 2025
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKDD79X1CJ329629
Make
Kenworth
Model
T8 Series
Model year
2012
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
DD79X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1982 or 2012

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

North American serial sequence
329629

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 · 106 decoded VINs at 100.0% prefix purity.

Model
T8 Series

Prefix basis · 106 decoded VINs at 100.0% prefix purity.

Model line
T800

Sourced label · prefix basis 106 decoded VINs at 100.0% 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
2012

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 · Feb 21, 2024 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025TXII · Walk-around1HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Sep 9, 2025TXII · Walk-around0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
May 15, 2025TXII · Walk-around3HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Dec 31, 2024OKIII · Driver-only0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Dec 26, 2024TXI · Full0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Oct 15, 2024TXII · Walk-around0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Sep 19, 2024TXII · Walk-around0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Mar 28, 2024TXII · Walk-around0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
Feb 21, 2024TXII · Walk-around0HALLIBURTON ENERGY SERVICES INC 1266933GK984/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HALLIBURTON ENERGY SERVICES INC126693Feb 21, 2024Dec 10, 20259TX
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.
3GK984OK1HALLIBURTON ENERGY SERVICES INCFeb 21, 2024Dec 10, 20259
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 23, 2026