Equipment unit · VIN-decoded · NHTSA vPIC

2021 Kenworth T680

1XKYD49X4MJ447580 · Truck-Tractor · TRUCK
Carriers run under1
23 mo
Inspections19
all-time
OOS inspections1
of 19
First seenAug 21, 2024
CA
Last seenJul 27, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD49X4MJ447580
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 14, 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
4 · valid

Deterministic · position 9; calculated value 4.

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
447580

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 21, 2024 – Jul 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 27, 2026CAI · Full1FLYING CARRIERS LLC 3343580ZP33346/CA
Jul 23, 2026CAIII · Driver-only2FLYING CARRIERS LLC 3343580ZP33346/CA
Jun 16, 2026CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
May 21, 2026CAI · Full2FLYING CARRIERS LLC 3343580ZP33346/CA
Apr 16, 2026CAIII · Driver-only2FLYING CARRIERS LLC 3343580ZP33346/CA
Jan 5, 2026CAI · Full1FLYING CARRIERS LLC 3343580ZP33346/CA
Jan 2, 2026CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Dec 10, 2025CAII · Walk-around1OOSFLYING CARRIERS LLC 3343580ZP33346/CA
Dec 10, 2025CAIII · Driver-only0FLYING CARRIERS LLC 3343580ZP33346/CA
Oct 20, 2025WAIII · Driver-only0FLYING CARRIERS LLC 3343580ZP33346/CA
Sep 24, 2025CAI · Full1FLYING CARRIERS LLC 3343580ZP33346/CA
Sep 10, 2025CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Jul 7, 2025CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Jun 26, 2025ORIII · Driver-only0FLYING CARRIERS LLC 3343580ZP33346/CA
Jun 10, 2025CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Jun 5, 2025CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Dec 31, 2024CAII · Walk-around0FLYING CARRIERS LLC 3343580ZP33346/CA
Dec 6, 2024CAIII · Driver-only0FLYING CARRIERS LLC 3343580ZP33346/CA
Aug 21, 2024CAI · Full0FLYING CARRIERS LLC 3343580ZP33346/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLYING CARRIERS LLC3343580Aug 21, 2024Jul 27, 202619CA
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.
ZP33346CA1FLYING CARRIERS LLCAug 21, 2024Jul 27, 202619
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026