Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T6 Series

1XKAD49X6CJ291798 · Truck-Tractor · TRUCK
T600
Carriers run under2
26 mo
Inspections9
all-time
OOS inspections2
of 9
First seenDec 1, 2023
CO
Last seenFeb 24, 2026
TX
Inspected under 2 different carriers in 26 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
1XKAD49X6CJ291798
Make
Kenworth
Model
T6 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 20, 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
6 · valid

Deterministic · position 9; calculated value 6.

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
291798

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
2012

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 1, 2023 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026TXII · Walk-around3OOSDOUBLE J XPRESS LLC 3440496R769430/TX
Jan 16, 2026KSII · Walk-around10DOUBLE J XPRESS LLC 3440496R769430/TX
May 29, 2025KSIII · Driver-only1DOUBLE J XPRESS LLC 3440496R769430/TX
Mar 13, 2025TXII · Walk-around2DOUBLE J XPRESS LLC 3440496R769430/TX
Feb 19, 2025COII · Walk-around2OOSDOUBLE J XPRESS LLC 3440496R769430/TX
Jul 3, 2024COII · Walk-around1S G & SONS TRANSPORT LLC 595334R245651/TX
May 2, 2024TXII · Walk-around0S G & SONS TRANSPORT LLC 595334R245651/TX
Feb 2, 2024TXII · Walk-around1S G & SONS TRANSPORT LLC 595334R245651/TX
Dec 1, 2023COIII · Driver-only0S G & SONS TRANSPORT LLC 595334R245651/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOUBLE J XPRESS LLC3440496Feb 19, 2025Feb 24, 20265TX
S G & SONS TRANSPORT LLC595334Dec 1, 2023Jul 3, 20244TX
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.
R769430TXDOUBLE J XPRESS LLCFeb 19, 2025Feb 24, 20265
R245651TXS G & SONS TRANSPORT LLCDec 1, 2023Jul 3, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026