Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T6 Series

1XKAD49X6CJ304968 · Truck-Tractor · TRUCK
T600
Carriers run under2
26 mo
Inspections9
all-time
OOS inspections2
of 9
First seenJul 24, 2024
TX
Last seenSep 1, 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
1XKAD49X6CJ304968
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 24, 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
304968

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 · Jul 24, 2024 – Sep 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 1, 2026TXII · Walk-around1COLLIER MATERIALS INC 19357881M39236/TX
Jul 28, 2026TXI · Full3DICKY TOLBERT 28333431M39236/TX
Jul 28, 2026TXI · Full3DICKY TOLBERT 28333431M39236/TX
Apr 29, 2026TXII · Walk-around2OOSDICKY TOLBERT 28333431M39236/TX
Nov 21, 2025TXII · Walk-around5DICKY TOLBERT 28333431M39236/TX
Aug 28, 2025TXII · Walk-around0DICKY TOLBERT 28333431M39236/TX
May 14, 2025TXII · Walk-around1OOSDICKY TOLBERT 28333431M39236/TX
May 12, 2025TXII · Walk-around1DICKY TOLBERT 28333431M39236/TX
Jul 24, 2024TXII · Walk-around1DICKY TOLBERT 28333431M39236/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COLLIER MATERIALS INC1935788Sep 1, 2026Sep 1, 20261TX
DICKY TOLBERT2833343Jul 24, 2024Jul 28, 20268TX
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.
1M39236TX1COLLIER MATERIALS INCSep 1, 2026Sep 1, 20261
1M39236TX1DICKY TOLBERTJul 24, 2024Jul 28, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026