Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T6 Series

1XKAD29X7MJ563992 · Truck-Tractor · TRUCK
T600
Carriers run under1
37 mo
Inspections17
all-time
OOS inspections3
of 17
First seenJun 24, 2023
TX
Last seenJul 29, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKAD29X7MJ563992
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 14, 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
7 · valid

Deterministic · position 9; calculated value 7.

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
563992

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 · Jun 24, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXII · Walk-around1RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Apr 13, 2026TXII · Walk-around0RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Mar 6, 2026TXII · Walk-around3RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Dec 24, 2025TXII · Walk-around3OOSRICARDO MARTINEZ RIOS 1974183GXD3533/TX
May 21, 2025TXII · Walk-around3RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Mar 18, 2025TXII · Walk-around0RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Jan 11, 2025TXII · Walk-around0RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Nov 30, 2024TXIII · Driver-only2RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Nov 18, 2024TXII · Walk-around2OOSRICARDO MARTINEZ RIOS 1974183GXD3533/TX
Nov 7, 2024TXII · Walk-around8OOSRICARDO MARTINEZ RIOS 1974183GXD3533/TX
Oct 14, 2024TXII · Walk-around2RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Sep 20, 2024TXIII · Driver-only0RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Jun 14, 2024TXII · Walk-around3RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Nov 17, 2023TXII · Walk-around4RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Jul 21, 2023TXII · Walk-around1RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Jul 11, 2023TXIII · Driver-only0RICARDO MARTINEZ RIOS 1974183GXD3533/TX
Jun 24, 2023TXII · Walk-around1RICARDO MARTINEZ RIOS 1974183GXD3533/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RICARDO MARTINEZ RIOS1974183Jun 24, 2023Jul 29, 202617TX
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.
GXD3533TX1RICARDO MARTINEZ RIOSJun 24, 2023Jul 29, 202617
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026