Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T8 Series

1XKDD49X4CJ309356 · Truck-Tractor · TRUCK
T800
Carriers run under2
20 mo
Inspections8
all-time
OOS inspections2
of 8
First seenFeb 4, 2025
TX
Last seenOct 28, 2026
TX
Inspected under 2 different carriers in 20 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
1XKDD49X4CJ309356
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
Sep 2, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
309356

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.

Not established

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 4, 2025 – Oct 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 28, 2026TXII · Walk-around0—MARKIAM LLC 45805931P15371/TX
Sep 24, 2026TXII · Walk-around3OOSMARKIAM LLC 45805931P15371/TX
Sep 24, 2026TXII · Walk-around3OOSMARKIAM LLC 45805931P15371/TX
Sep 10, 2026TXII · Walk-around4—MARKIAM LLC 45805931P15371/TX
Sep 10, 2026TXII · Walk-around4—MARKIAM LLC 45805931P15371/TX
Nov 14, 2025TXI · Full3—ATOMIC TRANSPORT LLC 2496911U0494HY/TN
Nov 14, 2025TXI · Full3—ATOMIC TRANSPORT LLC 2496911U0494HY/TN
Feb 4, 2025TXII · Walk-around6—ATOMIC TRANSPORT LLC 2496911U0494HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARKIAM LLC4580593Sep 10, 2026Oct 28, 20265TX
ATOMIC TRANSPORT LLC2496911Feb 4, 2025Nov 14, 20253TN
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.
1P15371TX1MARKIAM LLCSep 10, 2026 → Oct 28, 20265
U0494HYTN1ATOMIC TRANSPORT LLCFeb 4, 2025 → Nov 14, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 2, 2026