Equipment unit · VIN-decoded · NHTSA vPIC

2012 Kenworth T8 Series

1XKDD49X3CJ299936 · Truck-Tractor · TRUCK
T800
Carriers run under2
14 mo
Inspections6
all-time
OOS inspections2
of 6
First seenMar 6, 2025
LA
Last seenMay 22, 2026
TX
Inspected under 2 different carriers in 14 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
1XKDD49X3CJ299936
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 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
DD49X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
299936

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
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 · Mar 6, 2025 – May 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 22, 2026TXI · Full1LEAH TRUCKING INCORPORATED 3149338K221862/TX
Apr 23, 2026TXI · Full5LEAH TRUCKING INCORPORATED 3149338K221862/TX
Mar 29, 2026TXII · Walk-around10LEAH TRUCKING INCORPORATED 3149338R713331/TX
Mar 19, 2026TXI · Full13OOSUNI TRUCKING LLC 3583338R713331/TX
Jun 11, 2025TXII · Walk-around3OOSUNI TRUCKING LLC 3583338R713331/TX
Mar 6, 2025LAIII · Driver-only1UNI TRUCKING LLC 358333858M987M/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LEAH TRUCKING INCORPORATED3149338Mar 29, 2026May 22, 20263TX
UNI TRUCKING LLC3583338Mar 6, 2025Mar 19, 20263TX
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.
K221862TXLEAH TRUCKING INCORPORATEDApr 23, 2026May 22, 20262
R713331TXLEAH TRUCKING INCORPORATEDMar 29, 2026Mar 29, 20261
R713331TXUNI TRUCKING LLCJun 11, 2025Mar 19, 20262
58M987MTXUNI TRUCKING LLCMar 6, 2025Mar 6, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026