Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X0MJ438455 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections7
all-time
OOS inspections2
of 7
First seenAug 6, 2024
KY
Last seenMay 30, 2026
UT
Inspected under 2 different carriers in 21 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
1XKYD49X0MJ438455
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
YD49X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
438455

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 · Aug 6, 2024 – May 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 30, 2026UTII · Walk-around1INLOG INC 2894636ZP47567/CA
May 11, 2026CAII · Walk-around1INLOG INC 2894636ZP47567/CA
Mar 26, 2026NVIII · Driver-only0INLOG INC 2894636ZP47567/CA
Dec 2, 2025CAII · Walk-around2OOSINLOG INC 2894636ZP47567/CA
Sep 26, 2025CAII · Walk-around0INLOG INC 2894636ZP47567/CA
Sep 23, 2024DEIII · Driver-only1KNIGHT REFRIGERATED LLC 12529052867463/IN
Aug 6, 2024KYI · Full4OOSKNIGHT REFRIGERATED LLC 12529052867463/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
INLOG INC2894636Sep 26, 2025May 30, 20265CA
KNIGHT REFRIGERATED LLC1252905Aug 6, 2024Sep 23, 20242AZ
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.
ZP47567CAINLOG INCSep 26, 2025May 30, 20265
2867463INKNIGHT REFRIGERATED LLCAug 6, 2024Sep 23, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026