Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

1XKYD49X4SJ357990 · Truck-Tractor · TRUCK
Carriers run under1
15 mo
Inspections7
all-time
OOS inspections1
of 7
First seenAug 18, 2024
TX
Last seenNov 11, 2025
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD49X4SJ357990
Make
Kenworth
Model
T680
Model year
2025
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
1995 or 2025

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

North American serial sequence
357990

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
2025

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 18, 2024 – Nov 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 11, 2025TNIII · Driver-only0UNILINE INC 3555706P1295599/IL
Sep 24, 2025MOI · Full5OOSUNILINE INC 3555706P1295599/IL
Apr 23, 2025OHII · Walk-around0UNILINE INC 3555706P1246683/IL
Jan 9, 2025ARIII · Driver-only1UNILINE INC 3555706P1246683/IL
Dec 10, 2024KSII · Walk-around0UNILINE INC 355570601246683/IL
Nov 17, 2024ALIII · Driver-only1UNILINE INC 3555706P1246683/IL
Aug 18, 2024TXII · Walk-around0UNILINE INC 3555706P1246683/FL
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNILINE INC3555706Aug 18, 2024Nov 11, 20257IL
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.
P1295599ILUNILINE INCSep 24, 2025Nov 11, 20252
P1246683ILUNILINE INCNov 17, 2024Apr 23, 20253
01246683ILUNILINE INCDec 10, 2024Dec 10, 20241
P1246683FLUNILINE INCAug 18, 2024Aug 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026