Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X8MJ436860 · Truck-Tractor · TRUCK
Carriers run under4
31 mo
Inspections6
all-time
OOS inspections1
of 6
First seenFeb 7, 2024
VA
Last seenSep 13, 2026
TX
Inspected under 4 different carriers in 31 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
1XKYDP9X8MJ436860
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
Aug 23, 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
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
436860

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 · Feb 7, 2024 – Sep 13, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 13, 2026TXII · Walk-around0—AREPET EXPRESS LLC 23673511M26209/TX
Aug 20, 2026TXII · Walk-around3—JUAN JOEL CHAPA 4535471BYR89492/TX
Aug 20, 2026TXII · Walk-around3—JUAN JOEL CHAPA 4535471BYR89492/TX
Aug 14, 2026TXII · Walk-around2—ALASKA FREIGHT SERVICE INC 3048347P1367213/IL
Feb 27, 2024NCIII · Driver-only0—MILLIS TRANSFER LLC 4674921570Z/WI
Feb 7, 2024VAI · Full6OOSMILLIS TRANSFER LLC 4674921570Z/WI
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AREPET EXPRESS LLC2367351Sep 13, 2026Sep 13, 20261TX
JUAN JOEL CHAPA4535471Aug 20, 2026Aug 20, 20262TX
ALASKA FREIGHT SERVICE INC3048347Aug 14, 2026Aug 14, 20261IL
MILLIS TRANSFER LLC46749Feb 7, 2024Feb 27, 20242WI
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.
1M26209TX1AREPET EXPRESS LLCSep 13, 2026 → Sep 13, 20261
BYR89492TX1JUAN JOEL CHAPAAug 20, 2026 → Aug 20, 20262
P1367213IL1ALASKA FREIGHT SERVICE INCAug 14, 2026 → Aug 14, 20261
21570ZWI—MILLIS TRANSFER LLCFeb 7, 2024 → Feb 27, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 23, 2026