Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T6 Series

1XKAD29X8MJ557943 · Truck-Tractor · TRUCK
T600
Carriers run under1
31 mo
Inspections11
all-time
OOS inspections2
of 11
First seenOct 17, 2023
TX
Last seenMay 26, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKAD29X8MJ557943
Make
Kenworth
Model
T6 Series
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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
AD29X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1991 or 2021

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

North American serial sequence
557943

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 · 212 decoded VINs at 92.9% prefix purity.

Model
T6 Series

Prefix basis · 212 decoded VINs at 92.9% prefix purity.

Model line
T600

Sourced label · prefix basis 212 decoded VINs at 92.9% 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
2021

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 · Oct 17, 2023 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026TXI · Full1OOSLAR TRANSPORTATION LLC 3140128VXG3361/TX
Feb 19, 2026TXII · Walk-around3LAR TRANSPORTATION LLC 3140128VXG3361/TX
Feb 12, 2026TXII · Walk-around0LAR TRANSPORTATION LLC 3140128VXG3361/TX
Feb 10, 2026TXII · Walk-around0LAR TRANSPORTATION LLC 3140128VXG3361/TX
Oct 8, 2025TXII · Walk-around1LAR TRANSPORTATION LLC 3140128VXG3361/TX
Jul 15, 2025TXI · Full6LAR TRANSPORTATION LLC 3140128VXG3361/TX
Jun 25, 2025TXI · Full4LAR TRANSPORTATION LLC 3140128VXG3361/TX
Jan 2, 2025TXII · Walk-around4LAR TRANSPORTATION LLC 3140128NVR2933/TX
Dec 12, 2023TXI · Full1LAR TRANSPORTATION LLC 3140128NVR2933/TX
Dec 6, 2023TXII · Walk-around1OOSLAR TRANSPORTATION LLC 3140128NVR2933/TX
Oct 17, 2023TXII · Walk-around3LAR TRANSPORTATION LLC 3140128NVR2933/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LAR TRANSPORTATION LLC3140128Oct 17, 2023May 26, 202611TX
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.
VXG3361TXLAR TRANSPORTATION LLCJun 25, 2025May 26, 20267
NVR2933TXLAR TRANSPORTATION LLCOct 17, 2023Jan 2, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026