Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X2MJ428901 · Truck-Tractor · TRUCK
Carriers run under5
24 mo
Inspections9
all-time
OOS inspections3
of 9
First seenFeb 16, 2024
MD
Last seenFeb 27, 2026
LA
Inspected under 5 different carriers in 24 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
1XKYD49X2MJ428901
Make
Kenworth
Model
T680
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 20, 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
428901

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 · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

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
T680

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Feb 16, 2024 – Feb 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 27, 2026LAII · Walk-around5OOSSTATE AUTO GROUP LLC 3720632R775206/TX
Feb 11, 2026TXI · Full4OOSSTATE AUTO GROUP LLC 3720632R775206/TX
Jan 13, 2026NMII · Walk-around2STATE AUTO GROUP LLC 3720632R775206/TX
Jul 16, 2025MSIII · Driver-only0XZYRIA XPRESS INC 3577962R775206/TX
May 22, 2025OHIII · Driver-only0TOLIB INC 3469348R775206/TX
Apr 23, 2025ILIII · Driver-only0TOLIB INC 3469348R775206/TX
Mar 11, 2025CAI · Full0ALINEA TRANSPORTATION INC 3561034R775206/TX
Feb 25, 2025INIII · Driver-only0ALINEA TRANSPORTATION INC 3561034TEMP/OH
Feb 16, 2024MDII · Walk-around2OOSMAST TRUCKING INC 178907PWM7809/OH
03

Carriers this unit has run under

5 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
STATE AUTO GROUP LLC3720632Jan 13, 2026Feb 27, 20263OH
XZYRIA XPRESS INC3577962Jul 16, 2025Jul 16, 20251OH
TOLIB INC3469348Apr 23, 2025May 22, 20252OH
ALINEA TRANSPORTATION INC3561034Feb 25, 2025Mar 11, 20252OH
MAST TRUCKING INC178907Feb 16, 2024Feb 16, 20241OH
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.
R775206TXSTATE AUTO GROUP LLCJan 13, 2026Feb 27, 20263
R775206TXXZYRIA XPRESS INCJul 16, 2025Jul 16, 20251
R775206TXTOLIB INCApr 23, 2025May 22, 20252
R775206TXALINEA TRANSPORTATION INCMar 11, 2025Mar 11, 20251
TEMPOHALINEA TRANSPORTATION INCFeb 25, 2025Feb 25, 20251
PWM7809OHMAST TRUCKING INCFeb 16, 2024Feb 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026