Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X7MJ436798 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 18, 2023
GA
Last seenMay 26, 2026
MO
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
1XKYDP9X7MJ436798
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 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
YDP9X

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
436798

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 · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 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.

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 · Aug 18, 2023 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026MOIII · Driver-only3OOSAJ TRANSPORT LLC 190899207KT6T/MO
Mar 23, 2026ILIII · Driver-only0—AJ TRANSPORT LLC 190899207KT6T/MO
Feb 26, 2026ILIII · Driver-only0—AJ TRANSPORT LLC 190899207KT6T/MO
May 21, 2024SCIII · Driver-only2—MILLIS TRANSFER LLC 4674919548Z/WI
Sep 6, 2023WVIII · Driver-only1—MILLIS TRANSFER LLC 4674919548Z/WI
Aug 18, 2023GAIII · Driver-only2—MILLIS TRANSFER LLC 4674919548Z/WI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AJ TRANSPORT LLC1908992Feb 26, 2026May 26, 20263MO
MILLIS TRANSFER LLC46749Aug 18, 2023May 21, 20243WI
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.
07KT6TMO—AJ TRANSPORT LLCFeb 26, 2026 → May 26, 20263
19548ZWI—MILLIS TRANSFER LLCAug 18, 2023 → May 21, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026