Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49XXLJ354643 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections6
all-time
OOS inspections1
of 6
First seenMay 28, 2024
IA
Last seenNov 7, 2025
IA
Inspected under 3 different carriers in 18 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
1XKYD49XXLJ354643
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 24, 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
X · valid

Deterministic · position 9; calculated value X.

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
354643

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 · May 28, 2024 – Nov 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 7, 2025IAII · Walk-around5OOSDAM EXPRESS INC 1956060P 1223908/IL
Sep 10, 2025KSIII · Driver-only0DAM EXPRESS INC 1956060P1223908/IL
Aug 6, 2025FLIII · Driver-only0MARTEN TRANSPORT LTD 744322912848/IN
Jun 12, 2025NEIII · Driver-only0DAM EXPRESS INC 1956060P 1223908/IL
Nov 15, 2024IAIII · Driver-only3SUPERIOR INTERNATIONALE GROUP INC 3626738P 1223908/IL
May 28, 2024IAIII · Driver-only1DAM EXPRESS INC 1956060P 1223908/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAM EXPRESS INC1956060May 28, 2024Nov 7, 20254IL
MARTEN TRANSPORT LTD74432Aug 6, 2025Aug 6, 20251WI
SUPERIOR INTERNATIONALE GROUP INC3626738Nov 15, 2024Nov 15, 20241IN
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.
P 1223908ILDAM EXPRESS INCMay 28, 2024Nov 7, 20253
P1223908ILDAM EXPRESS INCSep 10, 2025Sep 10, 20251
2912848INMARTEN TRANSPORT LTDAug 6, 2025Aug 6, 20251
P 1223908ILSUPERIOR INTERNATIONALE GROUP INCNov 15, 2024Nov 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026