Equipment unit · VIN-decoded · NHTSA vPIC

2025 Kenworth T680

1XKYD40X8SJ559891 · Truck-Tractor · TRUCK
Carriers run under1
7 mo
Inspections3
all-time
OOS inspections2
of 3
First seenMar 27, 2025
TX
Last seenOct 2, 2025
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKYD40X8SJ559891
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
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
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
559891

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 · Mar 27, 2025 – Oct 2, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 2, 2025COII · Walk-around2OOSSUPER LOAD TRANSPORT LLC 830338R785262/TX
Jun 18, 2025NMII · Walk-around1OOSSUPER LOAD TRANSPORT LLC 830338R785262/TX
Mar 27, 2025TXI · Full0SUPER LOAD TRANSPORT LLC 83033862BJ3M/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SUPER LOAD TRANSPORT LLC830338Mar 27, 2025Oct 2, 20253TX
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.
R785262TXSUPER LOAD TRANSPORT LLCJun 18, 2025Oct 2, 20252
62BJ3MMXSUPER LOAD TRANSPORT LLCMar 27, 2025Mar 27, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026