Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X6MJ437522 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections11
all-time
OOS inspections3
of 11
First seenOct 12, 2023
NM
Last seenJul 7, 2026
LA
Inspected under 2 different carriers in 33 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
1XKYD49X6MJ437522
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 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
YD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
437522

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 · Oct 12, 2023 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026LAIII · Driver-only2THR TRANSPORT LLC 40953151P14494/TX
Feb 16, 2026TXI · Full1WERNER ENTERPRISES INC 53467W37898/NE
Jan 13, 2026TXII · Walk-around0WERNER ENTERPRISES INC 53467W37898/NE
Jan 12, 2026TXII · Walk-around1WERNER ENTERPRISES INC 53467W37898/NE
Dec 19, 2025TXII · Walk-around0WERNER ENTERPRISES INC 53467W37898/NE
Nov 6, 2025TXI · Full1OOSWERNER ENTERPRISES INC 53467W37898/NE
Nov 10, 2024NMII · Walk-around2OOSWERNER ENTERPRISES INC 53467W37898/NE
Oct 8, 2024MOIII · Driver-only1WERNER ENTERPRISES INC 53467W37898/NE
Apr 10, 2024MSII · Walk-around0WERNER ENTERPRISES INC 53467W37898/NE
Dec 17, 2023CAIII · Driver-only0WERNER ENTERPRISES INC 53467W37898/NE
Oct 12, 2023NMII · Walk-around1OOSWERNER ENTERPRISES INC 53467W37898/NE
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THR TRANSPORT LLC4095315Jul 7, 2026Jul 7, 20261TX
WERNER ENTERPRISES INC53467Oct 12, 2023Feb 16, 202610NE
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.
1P14494TX1THR TRANSPORT LLCJul 7, 2026Jul 7, 20261
W37898NEWERNER ENTERPRISES INCOct 12, 2023Feb 16, 202610
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026