Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

1XKYD40X8SJ559888 · Truck-Tractor · TRUCK
Carriers run under1
17 mo
Inspections8
all-time
OOS inspections3
of 8
First seenDec 26, 2024
AZ
Last seenMay 21, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD40X8SJ559888
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
YD40X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
559888

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 · 116 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 116 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 · Dec 26, 2024 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026TXI · Full0SUPER LOAD TRANSPORT LLC 830338R765611/TX
Apr 18, 2026TXII · Walk-around0SUPER LOAD TRANSPORT LLC 830338R765611/TX
Apr 18, 2026TXII · Walk-around0SUPER LOAD TRANSPORT LLC 830338R765611/TX
Dec 17, 2025ARIII · Driver-only1OOSSUPER LOAD TRANSPORT LLC 830338R765611/TX
Jul 31, 2025OHIII · Driver-only1SUPER LOAD TRANSPORT LLC 830338R765611/TX
Jul 29, 2025TNI · Full2OOSSUPER LOAD TRANSPORT LLC 830338R765611/TX
Jun 4, 2025MOII · Walk-around2OOSSUPER LOAD TRANSPORT LLC 830338R765611/TX
Dec 26, 2024AZII · Walk-around1SUPER LOAD TRANSPORT LLC 830338R765611/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPER LOAD TRANSPORT LLC830338Dec 26, 2024May 21, 20268TX
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.
R765611TX1SUPER LOAD TRANSPORT LLCDec 26, 2024May 21, 20268
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026