Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYDP9XXMJ429828 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 29, 2023
TN
Last seenMay 26, 2026
TX
Inspected under 2 different carriers in 32 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
1XKYDP9XXMJ429828
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 24, 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
429828

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 · Sep 29, 2023 – May 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 26, 2026TXII · Walk-around0S&H TRUCKING LLC 4418454R840121/TX
Oct 24, 2024MOIII · Driver-only0BAY AND BAY TRANSFER CO INC 1256303375161/IN
Sep 13, 2024IDII · Walk-around0BAY AND BAY TRANSFER CO INC 1256303375161/IN
Feb 21, 2024NMI · Full3OOSBAY AND BAY TRANSFER CO INC 1256303375161/IN
Oct 31, 2023INIII · Driver-only1BAY AND BAY TRANSFER CO INC 1256303375161/IN
Sep 29, 2023TNI · Full0BAY AND BAY TRANSFER CO INC 1256303375161/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S&H TRUCKING LLC4418454May 26, 2026May 26, 20261TX
BAY AND BAY TRANSFER CO INC125630Sep 29, 2023Oct 24, 20245MN
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.
R840121TXS&H TRUCKING LLCMay 26, 2026May 26, 20261
3375161INBAY AND BAY TRANSFER CO INCSep 29, 2023Oct 24, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026