Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9X9MJ429822 · Truck-Tractor · TRUCK
Carriers run under3
35 mo
Inspections10
all-time
OOS inspections1
of 10
First seenAug 15, 2023
IL
Last seenJul 10, 2026
IL
Inspected under 3 different carriers in 35 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
1XKYDP9X9MJ429822
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 19, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
429822

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.

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 15, 2023 – Jul 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2026ILIII · Driver-only0CALIFORNIA SKYZ LLC 4498305A557954/MS
May 28, 2026IDI · Full2OOSCALIFORNIA SKYZ LLC 4498305A557954/MS
Jan 2, 2026TXII · Walk-around0K N D LOGISTICS LLC 3238550A557954/MS
Jan 3, 2025TNI · Full0BAY AND BAY TRANSFER CO INC 1256303375160/UK
Sep 19, 2024KSI · Full1BAY AND BAY TRANSFER CO INC 1256303375160/IN
May 20, 2024NCI · Full1BAY AND BAY TRANSFER CO INC 1256303375160/IN
Feb 2, 2024ILII · Walk-around1BAY AND BAY TRANSFER CO INC 1256303375160/IN
Dec 28, 2023ARIII · Driver-only1BAY AND BAY TRANSFER CO INC 1256303375160/IN
Nov 6, 2023INIII · Driver-only4BAY AND BAY TRANSFER CO INC 1256303375160/IN
Aug 15, 2023ILIII · Driver-only0BAY AND BAY TRANSFER CO INC 1256303375160/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CALIFORNIA SKYZ LLC4498305May 28, 2026Jul 10, 20262AL
K N D LOGISTICS LLC3238550Jan 2, 2026Jan 2, 20261AL
BAY AND BAY TRANSFER CO INC125630Aug 15, 2023Jan 3, 20257MN
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.
A557954MS1CALIFORNIA SKYZ LLCMay 28, 2026Jul 10, 20262
A557954MSK N D LOGISTICS LLCJan 2, 2026Jan 2, 20261
3375160UKBAY AND BAY TRANSFER CO INCJan 3, 2025Jan 3, 20251
3375160INBAY AND BAY TRANSFER CO INCAug 15, 2023Sep 19, 20246
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026