Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X5LJ354307 · Truck-Tractor · TRUCK
Carriers run under3
31 mo
Inspections6
all-time
OOS inspections2
of 6
First seenDec 14, 2023
IN
Last seenJul 11, 2026
IL
Inspected under 3 different carriers in 31 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
1XKYD49X5LJ354307
Make
Kenworth
Model
T680
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1990 or 2020

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

North American serial sequence
354307

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
2020

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 14, 2023 – Jul 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 11, 2026ILII · Walk-around5WMK TRANSLOAD INC 4249961ZP12663/CA
Aug 28, 2025CAIII · Driver-only1WMK FREIGHT CARRIER INC 3715729ZP12663/CA
Jun 18, 2025NEIII · Driver-only0WMK FREIGHT CARRIER INC 3715729ZP12663/CA
Apr 23, 2025CAI · Full1OOSWMK FREIGHT CARRIER INC 3715729ZP12663/CA
Jan 1, 2025TXII · Walk-around2OOSWMK FREIGHT CARRIER INC 3715729ZP12663/CA
Dec 14, 2023INII · Walk-around2MARTEN TRANSPORT LTD 744322912230/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WMK TRANSLOAD INC4249961Jul 11, 2026Jul 11, 20261CA
WMK FREIGHT CARRIER INC3715729Jan 1, 2025Aug 28, 20254CA
MARTEN TRANSPORT LTD74432Dec 14, 2023Dec 14, 20231WI
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.
ZP12663CA1WMK TRANSLOAD INCJul 11, 2026Jul 11, 20261
ZP12663CAWMK FREIGHT CARRIER INCJan 1, 2025Aug 28, 20254
2912230INMARTEN TRANSPORT LTDDec 14, 2023Dec 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026