Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X9LJ354584 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections8
all-time
OOS inspections3
of 8
First seenMay 24, 2024
TN
Last seenAug 1, 2026
TX
Inspected under 2 different carriers in 27 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
1XKYD49X9LJ354584
Make
Kenworth
Model
T680
Model year
2020
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
YD49X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1990 or 2020

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
354584

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
2020

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 · May 24, 2024 – Aug 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 1, 2026TXII · Walk-around6OOSNK TRANSPORTATION INC 2089979P1350544/IL
Mar 17, 2026ARI · Full5OOSNK TRANSPORTATION INC 20899793745445/IN
May 20, 2025TNII · Walk-around1OOSNK TRANSPORTATION INC 20899793745445/IN
Mar 12, 2025VAIII · Driver-only3NK TRANSPORTATION INC 20899793745445/IN
Jan 17, 2025GAIII · Driver-only1NK TRANSPORTATION INC 20899793471566/IN
Jan 2, 2025NDIII · Driver-only3NK TRANSPORTATION INC 20899793471566/IN
Jul 26, 2024VAII · Walk-around2NK TRANSPORTATION INC 20899793471566/IN
May 24, 2024TNIII · Driver-only0ZA TRUCKING LLC 3082692NANA/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NK TRANSPORTATION INC2089979Jul 26, 2024Aug 1, 20267IN
ZA TRUCKING LLC3082692May 24, 2024May 24, 20241IN
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.
P1350544IL1NK TRANSPORTATION INCAug 1, 2026Aug 1, 20261
3745445INNK TRANSPORTATION INCMar 12, 2025Mar 17, 20263
3471566INNK TRANSPORTATION INCJul 26, 2024Jan 17, 20253
NANAMIZA TRUCKING LLCMay 24, 2024May 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026