Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9XXMJ436701 · Truck-Tractor · TRUCK
Carriers run under4
33 mo
Inspections8
all-time
OOS inspections0
of 8
First seenAug 1, 2023
NC
Last seenMay 31, 2026
MO
Inspected under 4 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
1XKYDP9XXMJ436701
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 21, 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
X · valid

Deterministic · position 9; calculated value X.

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
436701

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 1, 2023 – May 31, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 31, 2026MOIII · Driver-only3—POWER TRANSPORTATION INC 31241383751342/IN
May 22, 2026FLII · Walk-around2—POWER TRANSPORTATION INC 31241383751342/IN
May 22, 2026FLII · Walk-around2—POWER TRANSPORTATION INC 31241383751342/IN
Feb 6, 2026TXIII · Driver-only0—POWER TRANSPORTATION INC 31241383751342/IN
Dec 3, 2025GAIII · Driver-only0—POWER TRANSPORTATION INC 31241383751342/IN
Jul 30, 2025OHIII · Driver-only0—IRON REGIMENT FREIGHT LLC 3630214DF59LH/FL
May 23, 2025MDII · Walk-around1—NEXTGEN LINES INC 42756256768V31/TX
Aug 1, 2023NCIII · Driver-only0—MILLIS TRANSFER LLC 4674924543Z/WI
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
POWER TRANSPORTATION INC3124138Dec 3, 2025May 31, 20265IN
IRON REGIMENT FREIGHT LLC3630214Jul 30, 2025Jul 30, 20251IL
NEXTGEN LINES INC4275625May 23, 2025May 23, 20251TX
MILLIS TRANSFER LLC46749Aug 1, 2023Aug 1, 20231WI
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.
3751342IN—POWER TRANSPORTATION INCDec 3, 2025 → May 31, 20265
DF59LHFL—IRON REGIMENT FREIGHT LLCJul 30, 2025 → Jul 30, 20251
6768V31TX—NEXTGEN LINES INCMay 23, 2025 → May 23, 20251
24543ZWI—MILLIS TRANSFER LLCAug 1, 2023 → Aug 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026