Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYP49XXMJ457828 · Truck-Tractor · TRUCK
Carriers run under1
22 mo
Inspections6
all-time
OOS inspections1
of 6
First seenApr 29, 2024
WA
Last seenFeb 10, 2026
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYP49XXMJ457828
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
YP49X

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
457828

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 · 184 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 184 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 · Apr 29, 2024 – Feb 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 10, 2026WAIII · Driver-only0OLMSTED TRANSPORTATION CO INC 28583689902RP/WA
Nov 5, 2025WAIII · Driver-only9OLMSTED TRANSPORTATION CO INC 28583689902RP/WA
Oct 22, 2025WAII · Walk-around0OLMSTED TRANSPORTATION CO INC 28583689902RP/WA
Jun 3, 2025WAIII · Driver-only0OLMSTED TRANSPORTATION CO INC 28583689902RP/WA
Dec 26, 2024WAII · Walk-around3OOSOLMSTED TRANSPORTATION CO INC 28583689902RP/WA
Apr 29, 2024WAII · Walk-around4OLMSTED TRANSPORTATION CO INC 28583689902RP/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
OLMSTED TRANSPORTATION CO INC285836Apr 29, 2024Feb 10, 20266WA
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.
89902RPWAOLMSTED TRANSPORTATION CO INCApr 29, 2024Feb 10, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026