Equipment unit · VIN-decoded · NHTSA vPIC

2019 Kenworth T680

1XKYD49X2KJ257774 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections3
all-time
OOS inspections2
of 3
First seenDec 4, 2024
TN
Last seenMar 29, 2026
MT
Inspected under 2 different carriers in 15 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
1XKYD49X2KJ257774
Make
Kenworth
Model
T680
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 26, 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
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1989 or 2019

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
257774

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
2019

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 · Dec 4, 2024 – Mar 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 29, 2026MTIII · Driver-only4OOSBIG BOY FREIGHT LLC 3423521TEMP/AL
Apr 22, 2025GAIII · Driver-only2OOSOSCO PROPERTIES LLC 20262881200845/AL
Dec 4, 2024TNII · Walk-around1OSCO PROPERTIES LLC 20262881200845/AL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG BOY FREIGHT LLC3423521Mar 29, 2026Mar 29, 20261MN
OSCO PROPERTIES LLC2026288Dec 4, 2024Apr 22, 20252AL
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.
TEMPALBIG BOY FREIGHT LLCMar 29, 2026Mar 29, 20261
1200845ALOSCO PROPERTIES LLCDec 4, 2024Apr 22, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026